{"metadata": {"vulnerability": "CVE-2021-27905", "count": 31, "kinds": {"milestone": 6, "sighting": 9, "kev": 0, "other": 16}}, "data": [{"timestamp": "2021-03-02T00:00:00Z", "date_only": false, "value": "2021-03-02T00:00:00.000Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2021-27905", "field": "cveMetadata.dateReserved"}, {"timestamp": "2021-04-13T00:00:00Z", "date_only": true, "value": "2021-04-13", "kind": "other", "label": "Open Time", "source": "cnvd \u00b7 CNVD-2021-27717", "record": "CNVD-2021-27717", "field": "openTime"}, {"timestamp": "2021-04-13T00:00:00Z", "date_only": true, "value": "2021-04-13", "kind": "other", "label": "Pubdate", "source": "gsd \u00b7 GSD-2021-27905", "record": "GSD-2021-27905", "field": "namespaces.gitlab.com.advisories.0.pubdate"}, {"timestamp": "2021-04-13T00:00:00Z", "date_only": true, "value": "2021-04-13", "kind": "other", "label": "Submit Time", "source": "cnvd \u00b7 CNVD-2021-27717", "record": "CNVD-2021-27717", "field": "submitTime"}, {"timestamp": "2021-04-13T06:35:20Z", "date_only": false, "value": "2021-04-13T06:35:20.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2021-27905", "field": "cveMetadata.datePublished"}, {"timestamp": "2021-04-13T07:15:00Z", "date_only": false, "value": "2021-04-13T07:15:00Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-5PHW-3JRP-3VJ8", "record": "GHSA-5PHW-3JRP-3VJ8", "field": "database_specific.nvd_published_at"}, {"timestamp": "2021-04-13T07:15:00Z", "date_only": false, "value": "2021-04-13T07:15:00Z", "kind": "milestone", "label": "Published", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2021-27905", "record": "UBUNTU-CVE-2021-27905", "field": "published"}, {"timestamp": "2021-04-13T07:15:00Z", "date_only": false, "value": "2021-04-13T07:15Z", "kind": "other", "label": "Published Date", "source": "gsd \u00b7 GSD-2021-27905", "record": "GSD-2021-27905", "field": "namespaces.nvd.nist.gov.publishedDate"}, {"timestamp": "2021-04-13T07:15:12.137Z", "date_only": false, "value": "2021-04-13T07:15:12.137", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-27905", "record": "FKIE_CVE-2021-27905", "field": "published"}, {"timestamp": "2021-04-14T15:52:41Z", "date_only": false, "value": "2021-04-14T15:52:41Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-5PHW-3JRP-3VJ8", "record": "GHSA-5PHW-3JRP-3VJ8", "field": "modified"}, {"timestamp": "2021-04-26T11:02:21Z", "date_only": false, "value": "2021-04-26T11:02:21.000000Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/CyberSecurityTechnologies/3219", "record": "CVE-2021-27905", "field": "creation_timestamp", "uuid": "675c496c-9719-433a-962b-083dacf7d741", "content": "#Analytics\n10 most exploited vulnerabilities of the week (April 19-25)\nCVE-2021-3156 Heap-Based Buffer Overflow in Sudo\nhttps://t.me/cybersecuritytechnologies/2577\nCVE-2021-1732 Win kernel 0-day\nhttps://t.me/cybersecuritytechnologies/2679\nCVE-2021-22893 Pulse SecureVPN RCE\nhttps://t.me/cybersecuritytechnologies/3185\nCVE-2021-22204 Improper neutralization of user data in DjVu\nhttps://github.com/exiftool/exiftool/commit/cf0f4e7dcd024ca99615bfd1102a841a25dde031#diff-fa0d652d10dbcd246e6b1df16c1e992931d3bb717a7e36157596b76bdadb3800\nCVE-2021-26415 Win Installer EoP\nhttps://t.me/cybersecuritytechnologies/3186\nCVE-2021-3493 OverlayFS PE\nhttps://t.me/cybersecuritytechnologies/3164\nCVE-2021-26413 Win Installer Spoofing\nhttps://t.me/cybersecuritytechnologies/3176\nCVE-2016-7836 SKYSEA Client View Arbitrary Code Exec\nhttps://www.virusbulletin.com/virusbulletin/2020/05/vb2019-paper-apt-cases-exploiting-vulnerabilities-regionspecific-software\nCVE-2021-27905 Apache Solr SSRF\nhttps://t.me/cybersecuritytechnologies/3213", "url": "https://t.me/CyberSecurityTechnologies/3219"}, {"timestamp": "2021-05-10T00:00:00Z", "date_only": true, "value": "2021-05-10", "kind": "other", "label": "Pubdate", "source": "gsd \u00b7 GSD-2021-27905", "record": "GSD-2021-27905", "field": "namespaces.gitlab.com.advisories.1.pubdate"}, {"timestamp": "2021-05-10T15:18:06Z", "date_only": false, "value": "2021-05-10T15:18:06Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-5PHW-3JRP-3VJ8", "record": "GHSA-5PHW-3JRP-3VJ8", "field": "published"}, {"timestamp": "2021-05-22T02:46:56Z", "date_only": false, "value": "2021-05-22T02:46:56.000000Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/pwnwiki_zhchannel/498", "record": "CVE-2021-27905", "field": "creation_timestamp", "uuid": "883076fd-bc03-480a-897b-5b522a381b3a", "content": "CVE-2021-27905 Apache Solr Replication handler SSRF\u6f0f\u6d1e\nhttps://www.pwnwiki.org/index.php?title=CVE-2021-27905_Apache_Solr_Replication_handler_SSRF%E6%BC%8F%E6%B4%9E", "url": "https://t.me/pwnwiki_zhchannel/498"}, {"timestamp": "2021-09-15T09:06:21Z", "date_only": false, "value": "2021-09-15T09:06:21.000Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / apache", "record": "CVE-2021-27905", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2021-09-16T00:00:00Z", "date_only": true, "value": "2021-09-16", "kind": "other", "label": "Date", "source": "gsd \u00b7 GSD-2021-27905", "record": "GSD-2021-27905", "field": "namespaces.gitlab.com.advisories.0.date"}, {"timestamp": "2021-09-16T13:19:00Z", "date_only": false, "value": "2021-09-16T13:19Z", "kind": "other", "label": "Last Modified Date", "source": "gsd \u00b7 GSD-2021-27905", "record": "GSD-2021-27905", "field": "namespaces.nvd.nist.gov.lastModifiedDate"}, {"timestamp": "2022-07-06T05:30:42Z", "date_only": false, "value": "2022-07-06T05:30:42.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/CyberSecurityTechnologies/3213", "record": "CVE-2021-27905", "field": "creation_timestamp", "uuid": "d2fa8ab6-5347-4d97-9c85-fe9f640abf7e", "content": "#exploit\nCVE-2021-27905:\nApache Solr SSRF\nhttps://github.com/henry4e36/solr-ssrf", "url": "https://t.me/CyberSecurityTechnologies/3213"}, {"timestamp": "2023-04-27T09:58:59Z", "date_only": false, "value": "2023-04-27T09:58:59.000000Z", "kind": "sighting", "label": "Confirmed", "source": "https://github.com/projectdiscovery/nuclei-templates/tree/main/http/cves/2021/CVE-2021-27905.yaml", "record": "CVE-2021-27905", "field": "creation_timestamp", "uuid": "141f8f93-d84a-4090-a4b8-c81975aad9dc", "url": "https://github.com/projectdiscovery/nuclei-templates/tree/main/http/cves/2021/CVE-2021-27905.yaml"}, {"timestamp": "2023-12-13T01:23:35.501Z", "date_only": false, "value": "2023-12-13T01:23:35.501181Z", "kind": "other", "label": "Updated", "source": "gsd \u00b7 GSD-2021-27905", "record": "GSD-2021-27905", "field": "gsd.osvSchema.modified"}, {"timestamp": "2024-03-06T11:06:49.094Z", "date_only": false, "value": "2024-03-06T11:06:49.094Z", "kind": "milestone", "label": "Published", "source": "bitnami_vulndb \u00b7 BIT-SOLR-2021-27905", "record": "BIT-SOLR-2021-27905", "field": "published"}, {"timestamp": "2024-08-03T21:33:16.792Z", "date_only": false, "value": "2024-08-03T21:33:16.792Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "CVE-2021-27905", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2024-08-03T21:33:16.792Z", "date_only": false, "value": "2024-08-03T21:33:16.792Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CVE", "record": "CVE-2021-27905", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2024-09-17T19:01:14Z", "date_only": false, "value": "2024-09-17T19:01:14.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/critical_bug/1488", "record": "CVE-2021-27905", "field": "creation_timestamp", "uuid": "17174e72-4262-43dd-9976-e09931e72de0", "content": "\ud83c\udfaf\ud83d\udcbb\ud83d\udd0d SSRF due to CVE-2021-27905 in www.\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\n\n\ud83d\udee1\ufe0f \u0422\u0438\u043f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438: Server-Side Request Forgery (SSRF)\n\ud83d\udcb0 \u0411\u0430\u0443\u043d\u0442\u0438: \u041d\u0435 \u0443\u043a\u0430\u0437\u0430\u043d\u043e\n\u26a0\ufe0f \u041a\u0440\u0438\u0442\u0438\u0447\u043d\u043e\u0441\u0442\u044c: \u0421\u0440\u0435\u0434\u043d\u044f\u044f\n\n\ud83d\udd0d \u0410\u043d\u0430\u043b\u0438\u0437 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438\n\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0438\u043b \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c SSRF \u0432 Apache Solr \u0447\u0435\u0440\u0435\u0437 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440 \"masterUrl\", \u0437\u0430\u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u0443\u044e \u043a\u0430\u043a CVE-2021-27905. \u0423\u0441\u043f\u0435\u0448\u043d\u0430\u044f \u0430\u0442\u0430\u043a\u0430 \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u043d\u0435\u0441\u0430\u043d\u043a\u0446\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f\u043c \u0438\u043b\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0443 \u043a \u0434\u0430\u043d\u043d\u044b\u043c \u0432\u043d\u0443\u0442\u0440\u0438 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043a \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0445 \u043a\u043e\u043c\u0430\u043d\u0434. \u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u0438\u043b \u043f\u043e\u0448\u0430\u0433\u043e\u0432\u044b\u0435 \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0438 \u0438 \u0441\u043a\u0440\u0438\u043d\u0448\u043e\u0442\u044b \u0434\u043b\u044f \u0432\u043e\u0441\u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u0447\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u043b\u043e \u043a\u043e\u043c\u0430\u043d\u0434\u0435 \u0432\u0435\u0440\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0438 \u0438\u0441\u043f\u0440\u0430\u0432\u0438\u0442\u044c \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443.\n\n#SSRF #Medium #DoD\n\n\u041f\u043e\u0434\u0440\u043e\u0431\u043d\u044b\u0439 \u0440\u0430\u0437\u0431\u043e\u0440 \u0440\u0435\u043f\u043e\u0440\u0442\u0430 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043f\u043e \u0441\u0441\u044b\u043b\u043a\u0435", "url": "https://t.me/critical_bug/1488"}, {"timestamp": "2024-11-14T06:09:02Z", "date_only": false, "value": "2024-11-14T06:09:02.000000Z", "kind": "sighting", "label": "Seen", "source": "MISP/db788427-6e26-4d63-9db3-fdbaad1a8912", "record": "CVE-2021-27905", "field": "creation_timestamp", "uuid": "5bc170ba-0674-44f3-8cb5-d209ecd3ffcb"}, {"timestamp": "2025-10-18T21:00:05Z", "date_only": false, "value": "2025-10-18T21:00:05.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "Telegram/ZHsH8l_PJf6qA-LG3pwKoQfrYnUBM4bmr6171DkIh35gCrQ", "record": "CVE-2021-27905", "field": "creation_timestamp", "uuid": "73715202-7f98-4245-bb78-a204388293dd"}, {"timestamp": "2026-05-20T14:53:12Z", "date_only": false, "value": "2026-05-20T14:53:12Z", "kind": "other", "label": "Updated", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2021-27905", "record": "UBUNTU-CVE-2021-27905", "field": "modified"}, {"timestamp": "2026-06-17T03:45:35.170Z", "date_only": false, "value": "2026-06-17T03:45:35.170", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-27905", "record": "FKIE_CVE-2021-27905", "field": "lastModified"}, {"timestamp": "2026-09-01T17:00:52.809Z", "date_only": false, "value": "2026-09-01T17:00:52.809359Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/cissp/3040", "record": "CVE-2021-27905", "field": "creation_timestamp", "uuid": "3b1945e8-1716-43f5-8074-482c89248468", "content": "CVE-2021-27905:\nApache Solr SSRF (PoC)\nhttps://github.com/henry4e36/solr-ssrf\n\nRed Team Tactics:\n1. Thread and Process State Change a.k.a.:\nEDR Hook Evasion Method #4512\nhttps://windows-internals.com/thread-and-process-state-change\n2. A vulnerability exploitation tool for SVN source disclosure\n// support various versions of SVN\nhttps://github.com/X3NNY/SvnFuck\n\nMalware analysis:\n1. Best practices for handling new mining virus Sysrv-hello\nhttps://help.aliyun.com/document_detail/196163.html\n2. Binary Data Hiding in VB6 Executables\nhttps://decoded.avast.io/davidzimmer/binary-data-hiding-in-vb6-executables\n\nOffensive security:\nBrowser Exploitation on Windows -\nUnderstanding Use-After-Free Vulnerabilities\nhttps://connormcgarr.github.io/browser1\n\nThreat Research:\n1. RCE via unsafe inline Kramdown options when rendering certain Wiki pages\nhttps://hackerone.com/reports/1125425\n2. PoC code about the Microsoft Diaghub case sensitivity EoP vulnerability (CVE-2021-28321, CVE-2021-28322, CVE-2021-28313)\nhttps://github.com/irsl/microsoft-diaghub-case-sensitivity-eop-cve\n3. The peculiar case of HTML Injection\nhttps://infosecwriteups.com/the-peculiar-case-of-html-injection-d14db8440e3", "url": "https://t.me/cissp/3040"}, {"timestamp": "2026-09-08T08:34:36.952Z", "date_only": false, "value": "2026-09-08T08:34:36.952Z", "kind": "other", "label": "Updated", "source": "bitnami_vulndb \u00b7 BIT-SOLR-2021-27905", "record": "BIT-SOLR-2021-27905", "field": "modified"}, {"timestamp": "2026-09-11T08:00:07.368Z", "date_only": false, "value": "2026-09-11T08:00:07.368154Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/cissp/3040", "record": "CVE-2021-27905", "field": "creation_timestamp", "uuid": "8c0a02c5-633d-4156-a0b2-734b706fc474", "content": "CVE-2021-27905:\nApache Solr SSRF (PoC)\nhttps://github.com/henry4e36/solr-ssrf\n\nRed Team Tactics:\n1. Thread and Process State Change a.k.a.:\nEDR Hook Evasion Method #4512\nhttps://windows-internals.com/thread-and-process-state-change\n2. A vulnerability exploitation tool for SVN source disclosure\n// support various versions of SVN\nhttps://github.com/X3NNY/SvnFuck\n\nMalware analysis:\n1. Best practices for handling new mining virus Sysrv-hello\nhttps://help.aliyun.com/document_detail/196163.html\n2. Binary Data Hiding in VB6 Executables\nhttps://decoded.avast.io/davidzimmer/binary-data-hiding-in-vb6-executables\n\nOffensive security:\nBrowser Exploitation on Windows -\nUnderstanding Use-After-Free Vulnerabilities\nhttps://connormcgarr.github.io/browser1\n\nThreat Research:\n1. RCE via unsafe inline Kramdown options when rendering certain Wiki pages\nhttps://hackerone.com/reports/1125425\n2. PoC code about the Microsoft Diaghub case sensitivity EoP vulnerability (CVE-2021-28321, CVE-2021-28322, CVE-2021-28313)\nhttps://github.com/irsl/microsoft-diaghub-case-sensitivity-eop-cve\n3. The peculiar case of HTML Injection\nhttps://infosecwriteups.com/the-peculiar-case-of-html-injection-d14db8440e3", "url": "https://t.me/cissp/3040"}]}