{"vulnerability": "cve-2021-4043", "sightings": [{"uuid": "434a26ca-8929-4d29-8e4f-7b2e527a015d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "published-proof-of-concept", "source": "https://t.me/tech_b0lt_Genona/2849", "content": "Apache \u043c\u0443\u0447\u0430\u044e\u0442\u042a\n\n> If you\u2019re on a blue team and want to protect against this you can look for requests including the string \u201cunix:\u201d followed by a pipe \u201c|\u201d after the argument separator \u201c?\u201d. If the pipe isn\u2019t part of the arguments it will get url encoded and will prevent the vulnerable code path from triggering, hence that restriction. The \u201cunix:\u201d string can be before or after the arguments, but has to be before the pipe.\n\nBuilding a POC for CVE-2021-40438 \nhttps://firzen.de/building-a-poc-for-cve-2021-40438", "creation_timestamp": "2021-10-20T15:00:04.000000Z"}, {"uuid": "a3052d2f-b354-4b47-a67b-c542718dd33f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "seen", "source": "Telegram/Hf_SunJuoYNf_bsQCJ20cuXyI7bzH8EMEXzusn30k3vpXeQ", "content": "", "creation_timestamp": "2024-10-15T10:14:15.000000Z"}, {"uuid": "f69c27d9-a108-4fb9-a326-f382152bce58", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "seen", "source": "https://t.me/arpsyndicate/1816", "content": "#ExploitObserverAlert\n\nCVE-2021-40438\n\nDESCRIPTION: Exploit Observer has 72 entries related to CVE-2021-40438. A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.\n\nFIRST-EPSS: 0.971780000\nNVD-IS: 6.0\nNVD-ES: 2.2", "creation_timestamp": "2023-12-16T12:01:35.000000Z"}, {"uuid": "a50b9049-52ce-4d1a-8958-f1318b40d0bf", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "seen", "source": "https://t.me/cibsecurity/28988", "content": "\u203c CVE-2021-40438 \u203c\n\nA crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2021-09-16T18:22:49.000000Z"}, {"uuid": "4a22db60-d9ff-4889-bb6a-995a0694972e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40439", "type": "seen", "source": "https://t.me/cibsecurity/30189", "content": "\u203c CVE-2021-40439 \u203c\n\nApache OpenOffice has a dependency on expat software. Versions prior to 2.1.0 were subject to CVE-2013-0340 a \"Billion Laughs\" entity expansion denial of service attack and exploit via crafted XML files. ODF files consist of a set of XML files. All versions of Apache OpenOffice up to 4.1.10 are subject to this issue. expat in version 4.1.11 is patched.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2021-10-07T20:34:13.000000Z"}, {"uuid": "9a3e11ab-6bf3-41c8-bc74-8dd5c6cba07b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "seen", "source": "https://t.me/VulnerabilityNews/26770", "content": "Missing fixes for CVE-2021-40438 and CVE-2021-26691 in the versions of httpd, as shipped in Red Hat Enterprise Linux 8.5.0, causes a security regression compared to the versions shipped in Red Hat Enterprise Linux 8.4. A user who installs or updates to Red Hat Enterprise Linux 8.5.0 would be vulnerable to the mentioned CVEs, even if they were properly fixed in Red Hat Enterprise Linux 8.4. CVE-2021-20325 was assigned to that Red Hat specific security regression and it does not affect the upstream versions of httpd.\nPublished at: February 18, 2022 at 07:15PM\nView on website", "creation_timestamp": "2022-02-18T20:47:32.000000Z"}, {"uuid": "378eff17-d368-4cb0-959b-e2fc8ac29e99", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "seen", "source": "MISP/3c19819c-1dac-4ef2-bfed-be5efa7e0123", "content": "", "creation_timestamp": "2023-06-14T21:10:04.000000Z"}, {"uuid": "1352e13a-2eba-4577-8c46-1fa1166cc944", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-4043", "type": "seen", "source": "MISP/0d44d6b6-688f-48df-96ea-affa6978302a", "content": "", "creation_timestamp": "2024-10-24T20:07:01.000000Z"}, {"uuid": "4884f6d0-0675-414a-9d4b-0c5612bfc98d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "confirmed", "source": "https://github.com/projectdiscovery/nuclei-templates/tree/main/http/cves/2021/CVE-2021-40438.yaml", "content": "", "creation_timestamp": "2023-04-27T09:58:59.000000Z"}, {"uuid": "16887592-2de9-4b3a-a768-bf0082af6c3d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "exploited", "source": "The Shadowserver (honeypot/exploited-vulnerabilities) - 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(2025-12-24)", "content": "", "creation_timestamp": "2025-12-24T00:00:00.000000Z"}, {"uuid": "bd5c45e9-ffeb-4f5a-b7eb-0e5898434238", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "seen", "source": "The Shadowserver (honeypot/common-vulnerabilities) - (2025-12-25)", "content": "", "creation_timestamp": "2025-12-25T00:00:00.000000Z"}, {"uuid": "2c619928-698f-4753-8ef1-04f35f892d35", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "exploited", "source": "The Shadowserver (honeypot/exploited-vulnerabilities) - (2025-12-25)", "content": "", "creation_timestamp": "2025-12-25T00:00:00.000000Z"}, {"uuid": "2e6d1be7-88cc-455f-902c-717f06d9ed5f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "exploited", "source": "The Shadowserver (honeypot/exploited-vulnerabilities) - (2026-01-13)", "content": "", "creation_timestamp": "2026-01-13T00:00:00.000000Z"}, {"uuid": "c9453d38-8415-45f9-864f-a3b6e1d5fcfc", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "exploited", "source": "The Shadowserver (honeypot/exploited-vulnerabilities) - (2026-01-14)", "content": "", "creation_timestamp": "2026-01-14T00:00:00.000000Z"}, {"uuid": "e012a6ed-bae9-4e28-ac68-84304eeb19ca", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "exploited", "source": "The Shadowserver (honeypot/exploited-vulnerabilities) - (2026-01-15)", "content": "", "creation_timestamp": "2026-01-15T00:00:00.000000Z"}, {"uuid": "e2dc5a83-c4ce-4a3d-8719-5eb925baf12d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "exploited", "source": "https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/38799646-2460-4afe-b5b9-a92164d0fe1d", "content": "", "creation_timestamp": "2026-02-02T12:28:32.497359Z"}, {"uuid": "0cc1a55a-5de5-4c4e-b825-af1576c9ca85", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "exploited", "source": "https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/38799646-2460-4afe-b5b9-a92164d0fe1d", "content": "", "creation_timestamp": "2026-02-02T12:28:32.497359Z"}, {"uuid": "4c33973d-1cdf-476c-a8e0-7a9437564e4c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "published-proof-of-concept", "source": "https://t.me/ptswarm/82", "content": "Building a POC for CVE-2021-40438\n\n\ud83d\udc64 by Firzen\n\nA crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier. The author of the article found a way to exploit it\n\n\ud83d\udcdd Contents: \n\u2022 The Patch\n\u2022 How to exploit?\n\u2022 How uds_path is being set?\n\u2022 Success\n\u2022 Conclusion and Remarks\n\nhttps://firzen.de/building-a-poc-for-cve-2021-40438", "creation_timestamp": "2021-10-15T13:16:10.000000Z"}, {"uuid": "1714eee5-4ddc-4aaa-ad5e-2a65e8b2ada3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "published-proof-of-concept", "source": "https://t.me/GithubRedTeam/11068", "content": "GitHub\u76d1\u63a7\u6d88\u606f\u63d0\u9192\uff01\uff01\uff01 \n\n\u66f4\u65b0\u4e86\uff1aRCE\n\u63cf\u8ff0\uff1aCheck Point Security Gateways RCE via CVE-2021-40438\nURL\uff1ahttps://github.com/element-security/check-point-gateways-rce\n\n\u6807\u7b7e\uff1a#RCE", "creation_timestamp": "2025-01-21T16:05:15.000000Z"}, {"uuid": "ee9aa2ea-952d-4e89-9817-8fd62495dff8", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "seen", "source": "https://t.me/ctinow/43060", "content": "Experts warn of attacks exploiting CVE-2021-40438 flaw in Apache HTTP Server\n\nhttps://ift.tt/3E6mx6f", "creation_timestamp": "2021-11-29T16:21:37.000000Z"}, {"uuid": "bb1d2454-6c30-4b3f-a4e4-d64a9eb8f15f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "seen", "source": "https://t.me/arpsyndicate/1009", "content": "#ExploitObserverAlert\n\nCVE-2021-40438\n\nDESCRIPTION: Exploit Observer has 72 entries related to CVE-2021-40438. A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.\n\nFIRST-EPSS: 0.971780000\nNVD-IS: 6.0\nNVD-ES: 2.2", "creation_timestamp": "2023-12-03T19:19:58.000000Z"}, {"uuid": "0664e04d-ebd4-4549-a8d0-a457fdd55200", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "published-proof-of-concept", "source": "Telegram/z7ZFtrX9L4gZacQtKcu1e8RUJHU2uSZ9pGTTp-LiZPFhuW8", "content": "", "creation_timestamp": "2025-01-23T22:00:06.000000Z"}, {"uuid": "6856af97-bc26-4da9-b518-5d8f6739af67", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "exploited", "source": "https://t.me/true_secator/2391", "content": "\u0411\u0443\u043a\u0432\u0430\u043b\u044c\u043d\u043e \u0447\u0435\u0440\u0435\u0437 \u043f\u0430\u0440\u0443 \u043d\u0435\u0434\u0435\u043b\u044c \u043f\u043e\u0441\u043b\u0435 \u0442\u043e\u0433\u043e, \u043a\u0430\u043a \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0438 \u043d\u0430\u0447\u0430\u043b\u0438 \u0430\u043a\u0442\u0438\u0432\u043d\u043e \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2021-41773 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u0434\u0430 \u043d\u0430 HTTP-\u0441\u0435\u0440\u0432\u0435\u0440\u0430\u0445 Apache, \u0432\u043e\u0437\u043d\u0438\u043a\u043b\u0430 \u043d\u043e\u0432\u0430\u044f \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430.\n \n\u0424\u0435\u0434\u0435\u0440\u0430\u043b\u044c\u043d\u043e\u0435 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u043e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (BSI) \u0413\u0435\u0440\u043c\u0430\u043d\u0438\u0438 \u0438 Cisco \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0438 \u043e \u043f\u043e\u044f\u0432\u043b\u0435\u043d\u0438\u0438 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 PoC \u0434\u043b\u044f \u043d\u043e\u0432\u043e\u0439 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 CVE-2021-40438.\n \n\u041e\u0448\u0438\u0431\u043a\u0430 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u043f\u043e\u0434\u0434\u0435\u043b\u043a\u0443 \u0437\u0430\u043f\u0440\u043e\u0441\u0430 \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 (SSRF), \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c 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\u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0438\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u0430\u043c (\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043e\u0433\u0443\u0442 \u0431\u044b\u0442\u044c \u043c\u0435\u043d\u0435\u0435 \u0437\u0430\u0449\u0438\u0449\u0435\u043d\u043d\u044b\u043c\u0438, \u0447\u0435\u043c \u0432\u043d\u0435\u0448\u043d\u0438\u0435).\n \n\u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0431\u044b\u043b\u0430 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0430 \u0433\u0440\u0443\u043f\u043f\u043e\u0439 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 Apache HTTP \u043f\u0440\u0438 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u0438 \u0434\u0440\u0443\u0433\u043e\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438. \u041e\u043d\u0430 \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u0435\u0442 \u0432\u0435\u0440\u0441\u0438\u044e 2.4.48 \u0438 \u0431\u043e\u043b\u0435\u0435 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\u0441\u0438\u0441\u0442\u0435\u043c\u044b.\n \n\u0423\u0432\u0435\u0440\u0435\u043d\u044b \u043d\u0430 \u043f\u043e\u0434\u0445\u043e\u0434\u0435 \u0438 \u043d\u043e\u0432\u044b\u0435 \u043f\u0440\u0438\u043c\u0435\u0440\u044b, \u043e \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u043e\u043a\u0430 \u0435\u0449\u0435 \u043d\u0435 \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e \u0448\u0438\u0440\u043e\u043a\u043e\u0439 \u043f\u0443\u0431\u043b\u0438\u043a\u0435.", "creation_timestamp": "2021-11-30T18:04:00.000000Z"}, {"uuid": "d7fe6e0f-4b21-4e98-8b5c-73612338fb5c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "seen", "source": "https://t.me/true_secator/2485", "content": "Apache Software Foundation \u0432\u044b\u043f\u0443\u0441\u0442\u0438\u043b\u0438 \u0441\u0440\u043e\u0447\u043d\u044b\u0435 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0441\u0435\u0440\u044c\u0451\u0437\u043d\u044b\u0445 CVE-2021-44790 \u0438 CVE-2021-44224 \u0432\u043e \u0444\u043b\u0430\u0433\u043c\u0430\u043d\u0441\u043a\u043e\u043c \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0435 Apache HTTP Server, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u043c \u0441 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u044b\u043c\u00a0 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c \u043a\u043e\u0434\u0430 \u0438 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u043d\u0430\u0434 \u0441\u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0435\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u043e\u0439.\n\n\u041e\u0448\u0438\u0431\u043a\u0430 CVE-2021-44790 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043f\u043e\u0441\u0440\u0435\u0434\u0441\u0442\u0432\u043e\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u043e\u0433\u043e \u0437\u0430\u043f\u0440\u043e\u0441\u0430 \u0432\u044b\u0437\u044b\u0432\u0430\u0442\u044c \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u043c\u043d\u043e\u0433\u043e\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043d\u043e\u043c \u043f\u0430\u0440\u0441\u0435\u0440\u0435 mod_lua \u0432 Apache HTTP Server 2.4.51 \u0438 \u0431\u043e\u043b\u0435\u0435 \u0440\u0430\u043d\u043d\u0438\u0445 \u0432\u0435\u0440\u0441\u0438\u0439. \u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0438\u0437 Apache Software Foundation \u043d\u0435 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0438\u043b\u0438 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430 \u0434\u043b\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043d\u043e \u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043b\u0438 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u0443\u044e\u00a0 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0435\u0433\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f.\n\n\u0414\u0440\u0443\u0433\u0430\u044f CVE-2021-44224 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u0437\u0430\u043f\u0440\u043e\u0441\u044b \u043d\u0430 \u043a\u043e\u043d\u0435\u0447\u043d\u0443\u044e \u0442\u043e\u0447\u043a\u0443 Unix Domain Socket, \u0432\u044b\u0437\u044b\u0432\u0430\u044f \u043f\u043e\u0434\u0434\u0435\u043b\u043a\u0443 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0441\u0435\u0440\u0432\u0435\u0440\u0430. \u041e\u0448\u0438\u0431\u043a\u0430 \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u0440\u0430\u0437\u044b\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435\u043c NULL \u0438\u043b\u0438 SSRF \u0432 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044f\u0445 \u043f\u0440\u044f\u043c\u043e\u0433\u043e \u043f\u0440\u043e\u043a\u0441\u0438 \u0432 Apache HTTP Server 2.4.51 \u0438 \u0431\u043e\u043b\u0435\u0435 \u0440\u0430\u043d\u043d\u0438\u0445 \u0432\u0435\u0440\u0441\u0438\u044f\u0445.\n\n\u0423\u0447\u0438\u0442\u044b\u0432\u0430\u044f \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u0434\u043e\u043c\u0438\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 HTTP-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 Apache \u0432 \u0441\u0435\u0442\u0438 \u0438 \u043d\u0430\u0447\u0430\u0432\u0448\u0443\u044e\u0441\u044f \u0430\u043a\u0442\u0438\u0432\u043d\u0443\u044e \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044e \u0434\u0440\u0443\u0433\u043e\u0439 CVE-2021-40438 \u043f\u043e\u0434\u0434\u0435\u043b\u043a\u0438 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 SSRF \u0432 \u0434\u0438\u043a\u043e\u0439 \u043f\u0440\u0438\u0440\u043e\u0434\u0435, \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u0442\u044c \u043f\u0430\u0442\u0447 \u0434\u043b\u044f \u043a\u0440\u043e\u0441\u0441\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0435\u043d\u043d\u043e\u0433\u043e \u0432\u0435\u0431-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u043d\u0435\u0437\u0430\u043c\u0435\u0434\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u043e, \u043e \u0447\u0435\u043c \u0442\u0430\u043a\u0436\u0435 \u043e\u0437\u0430\u0431\u043e\u0442\u0438\u043b\u043e\u0441\u044c CISA, \u0441\u043f\u0435\u0448\u043d\u043e \u0434\u043e\u0431\u0430\u0432\u0438\u0432 \u043d\u043e\u0432\u044b\u0435 \u0431\u0430\u0433\u0438 \u0432 \u0441\u0432\u043e\u0439 \u043a\u0430\u0442\u0430\u043b\u043e\u0433 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u0443\u0435\u043c\u044b\u0445 CVE.", "creation_timestamp": "2021-12-28T16:00:47.000000Z"}, {"uuid": "0a9da654-dab7-4287-b932-a17450c5ae1d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "published-proof-of-concept", "source": "https://t.me/intelexch/11661", "content": "https://github.com/Kashkovsky/CVE-2021-40438", "creation_timestamp": "2022-04-04T21:11:37.000000Z"}, {"uuid": "828408e3-2b27-4030-b21b-9bac382e8809", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-4043", "type": "exploited", "source": "https://t.me/thehackernews/5683", "content": "\ud83d\udd34 New stealthy #malware \"Perfctl\" is hitting Linux servers, running crypto miners & proxyjacking undetected. It exploits Polkit vulnerability (CVE-2021-4043) for privilege escalation & uses a rootkit to evade defense. \n \nDetails here: https://thehackernews.com/2024/10/new-perfctl-malware-targets-linux.html", "creation_timestamp": "2024-10-03T16:24:42.000000Z"}, {"uuid": "3581e53e-9fdd-4b7b-9ca8-b923e2c91347", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "published-proof-of-concept", "source": "https://t.me/CyberSecurityTechnologies/4529", "content": "#Offensive_security\nBuilding a POC for CVE-2021-40438\n(SSRF in apache2 mod_proxy)\nhttps://firzen.de/building-a-poc-for-cve-2021-40438", "creation_timestamp": "2021-10-16T14:07:01.000000Z"}, {"uuid": "dcef7c9b-6188-4e18-8e39-25fe65fd101e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "published-proof-of-concept", "source": "https://t.me/CyberSecurityTechnologies/4701", "content": "#Analytics\nTop 10 Most Used Vulns of the Month (Oct 1-31)\nCVE-2021-41773 - Apache 2.4.49 Path Traversal\nhttps://t.me/cybersecuritytechnologies/4454\nCVE-2021-26084 - Confluence Server Webwork OGNL Inj\nhttps://t.me/cybersecuritytechnologies/4202\nCVE-2021-42013 - Apache 2.4.50 Path Traversal\nhttps://t.me/cybersecuritytechnologies/4475\nCVE-2021-22205 - GitLab CE/EE RCE\nhttps://t.me/cybersecuritytechnologies/4602\nCVE-2021-40449 - UaF in the NtGdiResetDC function of the Win32k driver\nhttps://t.me/cybersecuritytechnologies/4535\nCVE-2021-40438 - SSRF in Apache2 mod_proxy\nhttps://t.me/cybersecuritytechnologies/4529\nCVE-2021-30858 - UaF in WebKit\nhttps://t.me/cybersecuritytechnologies/4545\nCVE-2021-30883 - iOS IOMFB vulnerability\nhttps://t.me/cybersecuritytechnologies/4497\nCVE-2021-30892 - Shrootless Vulnerability in MacOS\nhttps://t.me/cybersecuritytechnologies/4623\nCVE-2022-1337 - \"View Source\"\nhttps://mobile.twitter.com/megab0t_/status/1452848917205458945\nPoC: JavaScript:https://#%0aalert('xss')", "creation_timestamp": "2021-11-08T11:07:01.000000Z"}, {"uuid": "d3958b50-b269-46aa-bd5a-fa3ad1c8f557", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "seen", "source": "https://feedsin.space/feed/CISAKevBot/items/2971177", "content": "", "creation_timestamp": "2024-12-24T20:25:25.042821Z"}, {"uuid": "2fdbb34c-f776-4c75-abde-5c247a6eda43", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "seen", "source": "The Shadowserver (honeypot/common-vulnerabilities) - 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CVE-2022-43332:\nCross Site Scripting in WonderCMS v3.3.4\nhttps://github.com/maikroservice/CVE-2022-43332\n\n2. CVE-2021-40438:\nApache HTTP Server 2.4.48 - A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user\nhttps://github.com/WilsonFung414/CVE-2021-40438_Docker_2", "creation_timestamp": "2022-11-11T11:00:19.000000Z"}, {"uuid": "0118661e-1711-4b87-b906-60d8a1e27fa1", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-4043", "type": "seen", "source": "https://infosec.exchange/users/screaminggoat/statuses/113443024377410814", "content": "", "creation_timestamp": "2024-11-07T18:13:00.167059Z"}, {"uuid": "93ced3de-bfa5-4307-a8c6-ac7689fd8791", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "seen", "source": "https://gist.github.com/PythonCoderUnicorn/d6b88a20a4dd6922377a44f4d68ccae6", "content": "", "creation_timestamp": "2025-02-14T17:38:04.000000Z"}, {"uuid": "e535af3d-e1bf-463b-af90-2841369a3215", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-40438", "type": "exploited", "source": "The Shadowserver (honeypot/exploited-vulnerabilities) - 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