Vulnerability-Lookup

CVE-2021-46854 (GCVE-0-2021-46854)

Vulnerability from cvelistv5 – Published: 2022-11-23 00:00 – Updated: 2025-04-28 20:17

Summary

mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-28 20:16 UTC

CWE

n/a
CWE-401 - Missing Release of Memory after Effective Lifetime

Assigner

mitre mitre root

References

5 references

URL	Tags
https://github.com/proftpd/proftpd/issues/1284
https://github.com/proftpd/proftpd/pull/1285
https://bugs.gentoo.org/811495
http://www.proftpd.org/docs/RELEASE_NOTES-1.3.7e
https://security.gentoo.org/glsa/202305-03	vendor-advisory

Show details on NVD website

JSON

To clipboard

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BDU:2023-05663

Vulnerability from fstec - Published: 23.11.2022

Title

Уязвимость FTP-сервера ProFTPD , связанная с ошибкой освобождения памяти, позволяющая нарушителю получить несанкционированный доступ к защищаемой информации

Description

Уязвимость FTP-сервера ProFTPD связана с ошибкой освобождения памяти. Эксплуатация уязвимости может позволить нарушителю , действующему удаленно, получить несанкционированный доступ к защищаемой информации

Severity


                    
                      AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vendor

Сообщество свободного программного обеспечения, ООО «Ред Софт», The ProFTPD Project

Software Name

Debian GNU/Linux, РЕД ОС (запись в едином реестре российских программ №3751), ProFTPD

Software Version

10 (Debian GNU/Linux), 11 (Debian GNU/Linux), 12 (Debian GNU/Linux), 7.3 (РЕД ОС), до 1.3.7c (ProFTPD)

Possible Mitigations

Использование рекомендаций: Для ProFTPD: http://www.proftpd.org/docs/RELEASE_NOTES-1.3.7e https://github.com/proftpd/proftpd/issues/1284 https://github.com/proftpd/proftpd/pull/1285 https://github.com/proftpd/proftpd/commit/10a227b4d50e0a2cd2faf87926f58d865da44e43 https://github.com/proftpd/proftpd/commit/e7c0b6e78a81fa97ec41ea6332e5e11b864089b8 Для Debian GNU/Linux: https://security-tracker.debian.org/tracker/CVE-2021-46854 Для РедОС: http://repo.red-soft.ru/redos/7.3c/x86_64/updates/

Reference

http://www.proftpd.org/docs/RELEASE_NOTES-1.3.7e https://github.com/proftpd/proftpd/issues/1284 https://github.com/proftpd/proftpd/pull/1285 https://github.com/proftpd/proftpd/commit/10a227b4d50e0a2cd2faf87926f58d865da44e43 https://github.com/proftpd/proftpd/commit/e7c0b6e78a81fa97ec41ea6332e5e11b864089b8 https://security-tracker.debian.org/tracker/CVE-2021-46854 http://repo.red-soft.ru/redos/7.3c/x86_64/updates/

CWE

CWE-401

JSON

To clipboard

{
  "CVSS 2.0": "AV:N/AC:L/Au:N/C:C/I:N/A:N",
  "CVSS 3.0": "AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "\u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f, \u041e\u041e\u041e \u00ab\u0420\u0435\u0434 \u0421\u043e\u0444\u0442\u00bb, The ProFTPD Project",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "10 (Debian GNU/Linux), 11 (Debian GNU/Linux), 12 (Debian GNU/Linux), 7.3 (\u0420\u0415\u0414 \u041e\u0421), \u0434\u043e 1.3.7c (ProFTPD)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439:\n\u0414\u043b\u044f ProFTPD:\nhttp://www.proftpd.org/docs/RELEASE_NOTES-1.3.7e\nhttps://github.com/proftpd/proftpd/issues/1284\nhttps://github.com/proftpd/proftpd/pull/1285\nhttps://github.com/proftpd/proftpd/commit/10a227b4d50e0a2cd2faf87926f58d865da44e43\nhttps://github.com/proftpd/proftpd/commit/e7c0b6e78a81fa97ec41ea6332e5e11b864089b8\n\n\u0414\u043b\u044f Debian GNU/Linux:\nhttps://security-tracker.debian.org/tracker/CVE-2021-46854\n\n\u0414\u043b\u044f \u0420\u0435\u0434\u041e\u0421: http://repo.red-soft.ru/redos/7.3c/x86_64/updates/",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "23.11.2022",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "05.04.2024",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "15.09.2023",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2023-05663",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2021-46854",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "Debian GNU/Linux, \u0420\u0415\u0414 \u041e\u0421 (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21163751), ProFTPD",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": "\u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Debian GNU/Linux 10 , \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Debian GNU/Linux 11 , \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Debian GNU/Linux 12 , \u041e\u041e\u041e \u00ab\u0420\u0435\u0434 \u0421\u043e\u0444\u0442\u00bb \u0420\u0415\u0414 \u041e\u0421 7.3  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21163751)",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c FTP-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 ProFTPD , \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u0430\u044f \u0441 \u043e\u0448\u0438\u0431\u043a\u043e\u0439 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043d\u0435\u0441\u0430\u043d\u043a\u0446\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0437\u0430\u0449\u0438\u0449\u0430\u0435\u043c\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0421\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u0432 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u043c \u0434\u043e\u0441\u0442\u0443\u043f\u0435",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u041d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0435 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u0435\u0440\u0435\u0434 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435\u043c \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0439 \u0441\u0441\u044b\u043b\u043a\u0438 (\u00ab\u0443\u0442\u0435\u0447\u043a\u0430 \u043f\u0430\u043c\u044f\u0442\u0438\u00bb) (CWE-401)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c FTP-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 ProFTPD \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043e\u0448\u0438\u0431\u043a\u043e\u0439 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e , \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e, \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043d\u0435\u0441\u0430\u043d\u043a\u0446\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0437\u0430\u0449\u0438\u0449\u0430\u0435\u043c\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u0441\u0443\u0440\u0441\u0430\u043c\u0438",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "http://www.proftpd.org/docs/RELEASE_NOTES-1.3.7e\nhttps://github.com/proftpd/proftpd/issues/1284\nhttps://github.com/proftpd/proftpd/pull/1285\nhttps://github.com/proftpd/proftpd/commit/10a227b4d50e0a2cd2faf87926f58d865da44e43\nhttps://github.com/proftpd/proftpd/commit/e7c0b6e78a81fa97ec41ea6332e5e11b864089b8\nhttps://security-tracker.debian.org/tracker/CVE-2021-46854\nhttp://repo.red-soft.ru/redos/7.3c/x86_64/updates/",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430, \u0421\u0435\u0442\u0435\u0432\u043e\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0435 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u043e",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-401",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,8)\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,5)"
}

FKIE_CVE-2021-46854

Vulnerability from fkie_nvd - Published: 2022-11-23 07:15 - Updated: 2026-06-17 04:15

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Summary

mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.

References

URL	Tags
cve@mitre.org	http://www.proftpd.org/docs/RELEASE_NOTES-1.3.7e	Release Notes, Vendor Advisory
cve@mitre.org	https://bugs.gentoo.org/811495	Issue Tracking, Third Party Advisory
cve@mitre.org	https://github.com/proftpd/proftpd/issues/1284	Exploit, Issue Tracking, Third Party Advisory
cve@mitre.org	https://github.com/proftpd/proftpd/pull/1285	Third Party Advisory
cve@mitre.org	https://security.gentoo.org/glsa/202305-03
af854a3a-2127-422b-91ae-364da2661108	http://www.proftpd.org/docs/RELEASE_NOTES-1.3.7e	Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://bugs.gentoo.org/811495	Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/proftpd/proftpd/issues/1284	Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/proftpd/proftpd/pull/1285	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://security.gentoo.org/glsa/202305-03

Impacted products

	Vendor	Product	Version
	proftpd	proftpd	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D1FF45EB-7C4A-4CBF-A03B-661546B087E7",
              "versionEndExcluding": "1.3.7c",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters."
    },
    {
      "lang": "es",
      "value": "mod_radius en ProFTPD anterior a 1.3.7c permite la divulgaci\u00f3n de memoria a servidores RADIUS porque copia bloques de 16 caracteres."
    }
  ],
  "id": "CVE-2021-46854",
  "lastModified": "2026-06-17T04:15:40.733",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-46854",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-04-28T20:16:06.009733Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2022-11-23T07:15:09.057",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "http://www.proftpd.org/docs/RELEASE_NOTES-1.3.7e"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://bugs.gentoo.org/811495"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://github.com/proftpd/proftpd/issues/1284"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/proftpd/proftpd/pull/1285"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://security.gentoo.org/glsa/202305-03"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "http://www.proftpd.org/docs/RELEASE_NOTES-1.3.7e"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://bugs.gentoo.org/811495"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://github.com/proftpd/proftpd/issues/1284"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/proftpd/proftpd/pull/1285"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.gentoo.org/glsa/202305-03"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

GHSA-QR96-W82V-R28G

Vulnerability from github – Published: 2022-11-23 09:30 – Updated: 2022-11-26 06:31

Details

mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.

Severity

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2021-46854"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-11-23T07:15:00Z",
    "severity": "HIGH"
  },
  "details": "mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.",
  "id": "GHSA-qr96-w82v-r28g",
  "modified": "2022-11-26T06:31:18Z",
  "published": "2022-11-23T09:30:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-46854"
    },
    {
      "type": "WEB",
      "url": "https://github.com/proftpd/proftpd/issues/1284"
    },
    {
      "type": "WEB",
      "url": "https://github.com/proftpd/proftpd/pull/1285"
    },
    {
      "type": "WEB",
      "url": "https://bugs.gentoo.org/811495"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202305-03"
    },
    {
      "type": "WEB",
      "url": "http://www.proftpd.org/docs/RELEASE_NOTES-1.3.7e"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2021-46854

Vulnerability from gsd - Updated: 2023-12-13 01:23

Details

mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.

Aliases

CVE-2021-46854

Aliases

CVE-2021-46854

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2021-46854",
    "id": "GSD-2021-46854"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-46854"
      ],
      "details": "mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.",
      "id": "GSD-2021-46854",
      "modified": "2023-12-13T01:23:32.732499Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ASSIGNER": "cve@mitre.org",
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      },
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          "vendor_data": [
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              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
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      },
      "data_format": "MITRE",
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          },
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    },
    "nvd.nist.gov": {
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        "nodes": [
          {
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                "cpe23Uri": "cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "1.3.7c",
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            },
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
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          },
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        }
      },
      "lastModifiedDate": "2023-05-03T11:15Z",
      "publishedDate": "2022-11-23T07:15Z"
    }
  }
}

ubuntu-cve-2021-46854

Vulnerability from osv_ubuntu

Published

2022-11-23 07:15

Modified

2026-04-22 07:40

Summary

Details

mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.

Severity

7.5 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

7.5 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2021-46854	REPORT
	https://github.com/proftpd/proftpd/issues/1284	REPORT
	https://github.com/proftpd/proftpd/pull/1285	REPORT
	https://bugs.gentoo.org/811495	REPORT
	http://www.proftpd.org/docs/RELEASE_NOTES-1.3.7e	REPORT
	https://www.cve.org/CVERecord?id=CVE-2021-46854	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "proftpd-basic",
            "binary_version": "1.3.5e-1build1"
          },
          {
            "binary_name": "proftpd-mod-geoip",
            "binary_version": "1.3.5e-1build1"
          },
          {
            "binary_name": "proftpd-mod-ldap",
            "binary_version": "1.3.5e-1build1"
          },
          {
            "binary_name": "proftpd-mod-mysql",
            "binary_version": "1.3.5e-1build1"
          },
          {
            "binary_name": "proftpd-mod-odbc",
            "binary_version": "1.3.5e-1build1"
          },
          {
            "binary_name": "proftpd-mod-pgsql",
            "binary_version": "1.3.5e-1build1"
          },
          {
            "binary_name": "proftpd-mod-sqlite",
            "binary_version": "1.3.5e-1build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "proftpd-dfsg",
        "purl": "pkg:deb/ubuntu/proftpd-dfsg@1.3.5e-1build1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.5d-1",
        "1.3.5e-1build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "proftpd-basic",
            "binary_version": "1.3.6c-2ubuntu0.1"
          },
          {
            "binary_name": "proftpd-mod-geoip",
            "binary_version": "1.3.6c-2ubuntu0.1"
          },
          {
            "binary_name": "proftpd-mod-ldap",
            "binary_version": "1.3.6c-2ubuntu0.1"
          },
          {
            "binary_name": "proftpd-mod-mysql",
            "binary_version": "1.3.6c-2ubuntu0.1"
          },
          {
            "binary_name": "proftpd-mod-odbc",
            "binary_version": "1.3.6c-2ubuntu0.1"
          },
          {
            "binary_name": "proftpd-mod-pgsql",
            "binary_version": "1.3.6c-2ubuntu0.1"
          },
          {
            "binary_name": "proftpd-mod-snmp",
            "binary_version": "1.3.6c-2ubuntu0.1"
          },
          {
            "binary_name": "proftpd-mod-sqlite",
            "binary_version": "1.3.6c-2ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "proftpd-dfsg",
        "purl": "pkg:deb/ubuntu/proftpd-dfsg@1.3.6c-2ubuntu0.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
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            {
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
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        "1.3.6c-1",
        "1.3.6c-2",
        "1.3.6c-2ubuntu0.1"
      ]
    }
  ],
  "aliases": [],
  "details": "mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.",
  "id": "UBUNTU-CVE-2021-46854",
  "modified": "2026-04-22T07:40:13Z",
  "published": "2022-11-23T07:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-46854"
    },
    {
      "type": "REPORT",
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    },
    {
      "type": "REPORT",
      "url": "https://github.com/proftpd/proftpd/pull/1285"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.gentoo.org/811495"
    },
    {
      "type": "REPORT",
      "url": "http://www.proftpd.org/docs/RELEASE_NOTES-1.3.7e"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-46854"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-46854"
  ]
}

WID-SEC-W-2022-2151

Vulnerability from csaf_certbund - Published: 2022-11-22 23:00 - Updated: 2024-01-30 23:00

Summary

Pro-FTPd: Schwachstelle ermöglicht Offenlegung von Informationen

Severity

Mittel

Scope

1 vulnerability in this advisory, including CVE-2021-46854.

CVE-2021-46854

Es existiert eine Schwachstelle in Pro-FTPd. Unter bestimmten Umständen behandelt mod_radius ein eingegebenes Passwort unsachgemäß. Ein lokaler Agreifer kann deise Schwachstelle ausnutzen, um Informationen offenzulegen.

Known affected: 1 product

Open the full advisory

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2021-46854 (GCVE-0-2021-46854)

BDU:2023-05663

FKIE_CVE-2021-46854

GHSA-QR96-W82V-R28G

GSD-2021-46854

ubuntu-cve-2021-46854

Vulnerability from osv_ubuntu

WID-SEC-W-2022-2151

Tags

Sightings

Nomenclature

Related by attack behaviour