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BDU:2025-11712 (CVE-2025-20293)

Vulnerability from fstec – Published: 2025-09-26 – Updated: 2025-09-26 – View on bdu.fstec.ru Fixed
VLAI
Title
Уязвимость операционных систем Cisco IOS XE сетевого устройства Catalyst 9800, связанная с неполной очисткой временных или вспомогательных ресурсов, позволяющая нарушителю получить доступ к контроллеру
Summary
Уязвимость операционных систем Cisco IOS XE сетевого устройства Catalyst 9800 связана с неполной очисткой временных или вспомогательных ресурсов. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, получить доступ к контроллеру
Severity
Class
Code vulnerability
Status
Confirmed by the vendor
Exploitation
Resource manipulation
Incidents
Being clarified
Remediation
Software update
CWE
  • CWE-459 - Неполная очистка
Impacted products
Vendors
Cisco Systems, Inc.
Products
Catalyst 9800
Versions
- (Catalyst 9800)
Product types
Network device, Network appliance software
Platforms
Cisco Systems, Inc. Cisco IOS XE 16.10.1, Inc. Cisco IOS XE 16.12.1, Inc. Cisco IOS XE 16.10.1s, Inc. Cisco IOS XE 16.10.1e, Inc. Cisco IOS XE 16.11.1, Inc. Cisco IOS XE 16.11.1a, Inc. Cisco IOS XE 16.11.1b, Inc. Cisco IOS XE 16.11.1c, Inc. Cisco IOS XE 16.12.1s, Inc. Cisco IOS XE 16.12.1t, Inc. Cisco IOS XE 17.2.1, Inc. Cisco IOS XE 17.1.1, Inc. Cisco IOS XE 16.12.2s, Inc. Cisco IOS XE 16.12.2t, Inc. Cisco IOS XE 16.12.4, Inc. Cisco IOS XE 16.12.3s, Inc. Cisco IOS XE 16.12.4a, Inc. Cisco IOS XE 17.1.1s, Inc. Cisco IOS XE 17.1.2, Inc. Cisco IOS XE 17.1.1t, Inc. Cisco IOS XE 17.1.3, Inc. Cisco IOS XE 17.2.1a, Inc. Cisco IOS XE 17.3.1, Inc. Cisco IOS XE 17.6.1, Inc. Cisco IOS XE 17.9.1, Inc. Cisco IOS XE 17.11.1, Inc. Cisco IOS XE 17.12.1, Inc. Cisco IOS XE 17.10.1, Inc. Cisco IOS XE 16.12.3, Inc. Cisco IOS XE 16.12.8, Inc. Cisco IOS XE 16.12.5, Inc. Cisco IOS XE 16.12.6, Inc. Cisco IOS XE 16.12.6a, Inc. Cisco IOS XE 16.12.7, Inc. Cisco IOS XE 17.8.1, Inc. Cisco IOS XE 17.9.2, Inc. Cisco IOS XE 17.9.3, Inc. Cisco IOS XE 17.9.4, Inc. Cisco IOS XE 17.9.4a, Inc. Cisco IOS XE 17.7.1, Inc. Cisco IOS XE 17.6.5a, Inc. Cisco IOS XE 17.6.6a, Inc. Cisco IOS XE 17.6.6, Inc. Cisco IOS XE 17.6.2, Inc. Cisco IOS XE 17.6.3, Inc. Cisco IOS XE 17.6.4, Inc. Cisco IOS XE 17.6.5, Inc. Cisco IOS XE 17.3.2, Inc. Cisco IOS XE 17.3.3, Inc. Cisco IOS XE 17.3.2a, Inc. Cisco IOS XE 17.3.4, Inc. Cisco IOS XE 17.3.5, Inc. Cisco IOS XE 17.3.6, Inc. Cisco IOS XE 17.3.4c, Inc. Cisco IOS XE 17.3.5a, Inc. Cisco IOS XE 17.3.5b, Inc. Cisco IOS XE 17.3.7, Inc. Cisco IOS XE 17.3.8, Inc. Cisco IOS XE 17.3.8a, Inc. Cisco IOS XE 17.4.1, Inc. Cisco IOS XE 17.5.1, Inc. Cisco IOS XE 17.12.2, Inc. Cisco IOS XE 17.13.1, Inc. Cisco IOS XE 17.6.7, Inc. Cisco IOS XE 17.6.8
Mitigations
Использование рекомендаций производителя: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-9800cl-openscep-SB4xtxzP

{
  "CVSS 2.0": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
  "CVSS 3.0": "AV:N/AC:L/PR:N/UI:N/S:U/C:L/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": "Cisco Systems, Inc.",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "- (Catalyst 9800)",
  "\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 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f:\nhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-9800cl-openscep-SB4xtxzP",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "24.09.2025",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "26.09.2025",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "26.09.2025",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2025-11712",
  "\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-2025-20293, CISCO-SA-9800cl-openscep-SB4xtxzP",
  "\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": "Catalyst 9800",
  "\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": "Cisco Systems, Inc. Cisco IOS XE 16.10.1 , Cisco Systems, Inc. Cisco IOS XE 16.12.1 , Cisco Systems, Inc. Cisco IOS XE 16.10.1s , Cisco Systems, Inc. Cisco IOS XE 16.10.1e , Cisco Systems, Inc. Cisco IOS XE 16.11.1 , Cisco Systems, Inc. Cisco IOS XE 16.11.1a , Cisco Systems, Inc. Cisco IOS XE 16.11.1b , Cisco Systems, Inc. Cisco IOS XE 16.11.1c , Cisco Systems, Inc. Cisco IOS XE 16.12.1s , Cisco Systems, Inc. Cisco IOS XE 16.12.1t , Cisco Systems, Inc. Cisco IOS XE 17.2.1 , Cisco Systems, Inc. Cisco IOS XE 17.1.1 , Cisco Systems, Inc. Cisco IOS XE 16.12.2s , Cisco Systems, Inc. Cisco IOS XE 16.12.2t , Cisco Systems, Inc. Cisco IOS XE 16.12.4 , Cisco Systems, Inc. Cisco IOS XE 16.12.3s , Cisco Systems, Inc. Cisco IOS XE 16.12.4a , Cisco Systems, Inc. Cisco IOS XE 17.1.1s , Cisco Systems, Inc. Cisco IOS XE 17.1.2 , Cisco Systems, Inc. Cisco IOS XE 17.1.1t , Cisco Systems, Inc. Cisco IOS XE 17.1.3 , Cisco Systems, Inc. Cisco IOS XE 17.2.1a , Cisco Systems, Inc. Cisco IOS XE 17.3.1 , Cisco Systems, Inc. Cisco IOS XE 17.6.1 , Cisco Systems, Inc. Cisco IOS XE 17.9.1 , Cisco Systems, Inc. Cisco IOS XE 17.11.1 , Cisco Systems, Inc. Cisco IOS XE 17.12.1 , Cisco Systems, Inc. Cisco IOS XE 17.10.1 , Cisco Systems, Inc. Cisco IOS XE 16.12.3 , Cisco Systems, Inc. Cisco IOS XE 16.12.8 , Cisco Systems, Inc. Cisco IOS XE 16.12.5 , Cisco Systems, Inc. Cisco IOS XE 16.12.6 , Cisco Systems, Inc. Cisco IOS XE 16.12.6a , Cisco Systems, Inc. Cisco IOS XE 16.12.7 , Cisco Systems, Inc. Cisco IOS XE 17.8.1 , Cisco Systems, Inc. Cisco IOS XE 17.9.2 , Cisco Systems, Inc. Cisco IOS XE 17.9.3 , Cisco Systems, Inc. Cisco IOS XE 17.9.4 , Cisco Systems, Inc. Cisco IOS XE 17.9.4a , Cisco Systems, Inc. Cisco IOS XE 17.7.1 , Cisco Systems, Inc. Cisco IOS XE 17.6.5a , Cisco Systems, Inc. Cisco IOS XE 17.6.6a , Cisco Systems, Inc. Cisco IOS XE 17.6.6 , Cisco Systems, Inc. Cisco IOS XE 17.6.2 , Cisco Systems, Inc. Cisco IOS XE 17.6.3 , Cisco Systems, Inc. Cisco IOS XE 17.6.4 , Cisco Systems, Inc. Cisco IOS XE 17.6.5 , Cisco Systems, Inc. Cisco IOS XE 17.3.2 , Cisco Systems, Inc. Cisco IOS XE 17.3.3 , Cisco Systems, Inc. Cisco IOS XE 17.3.2a , Cisco Systems, Inc. Cisco IOS XE 17.3.4 , Cisco Systems, Inc. Cisco IOS XE 17.3.5 , Cisco Systems, Inc. Cisco IOS XE 17.3.6 , Cisco Systems, Inc. Cisco IOS XE 17.3.4c , Cisco Systems, Inc. Cisco IOS XE 17.3.5a , Cisco Systems, Inc. Cisco IOS XE 17.3.5b , Cisco Systems, Inc. Cisco IOS XE 17.3.7 , Cisco Systems, Inc. Cisco IOS XE 17.3.8 , Cisco Systems, Inc. Cisco IOS XE 17.3.8a , Cisco Systems, Inc. Cisco IOS XE 17.4.1 , Cisco Systems, Inc. Cisco IOS XE 17.5.1 , Cisco Systems, Inc. Cisco IOS XE 17.12.2 , Cisco Systems, Inc. Cisco IOS XE 17.13.1 , Cisco Systems, Inc. Cisco IOS XE 17.6.7 , Cisco Systems, Inc. Cisco IOS XE 17.6.8 ",
  "\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 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c Cisco IOS XE \u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430 Catalyst 9800, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u0430\u044f \u0441 \u043d\u0435\u043f\u043e\u043b\u043d\u043e\u0439 \u043e\u0447\u0438\u0441\u0442\u043a\u043e\u0439 \u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 \u0438\u043b\u0438 \u0432\u0441\u043f\u043e\u043c\u043e\u0433\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432, \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 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0443",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u041d\u0435\u043f\u043e\u043b\u043d\u0430\u044f \u043e\u0447\u0438\u0441\u0442\u043a\u0430 (CWE-459)",
  "\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 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c Cisco IOS XE \u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430 Catalyst 9800 \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043d\u0435\u043f\u043e\u043b\u043d\u043e\u0439 \u043e\u0447\u0438\u0441\u0442\u043a\u043e\u0439 \u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 \u0438\u043b\u0438 \u0432\u0441\u043f\u043e\u043c\u043e\u0433\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432. \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 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0443",
  "\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": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-9800cl-openscep-SB4xtxzP",
  "\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": "\u0421\u0435\u0442\u0435\u0432\u043e\u0435 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u043e, \u041f\u041e \u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e-\u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0433\u043e \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-459",
  "\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": "\u0421\u0440\u0435\u0434\u043d\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 5)\n\u0421\u0440\u0435\u0434\u043d\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 3.1 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 5,3)"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.

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Detection rules are retrieved from Rulezet.

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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.


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