CVE-2021-38162 (GCVE-0-2021-38162)

Vulnerability from cvelistv5 – Published: 2021-09-14 11:15 – Updated: 2024-08-04 01:37
VLAI?
Summary
SAP Web Dispatcher versions - 7.49, 7.53, 7.77, 7.81, KRNL64NUC - 7.22, 7.22EXT, 7.49, KRNL64UC -7.22, 7.22EXT, 7.49, 7.53, KERNEL - 7.22, 7.49, 7.53, 7.77, 7.81, 7.83 processes allow an unauthenticated attacker to submit a malicious crafted request over a network to a front-end server which may, over several attempts, result in a back-end server confusing the boundaries of malicious and legitimate messages. This can result in the back-end server executing a malicious payload which can be used to read or modify any information on the server or consume server resources making it temporarily unavailable.
Severity ?
8.9 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
CWE
Assigner
sap
References
Impacted products
Vendor Product Version
SAP SE SAP Web Dispatcher Affected: WEBDISP - 7.49
Affected: 7.53
Affected: 7.77
Affected: 7.81
Affected: KRNL64NUC - 7.22
Affected: 7.22EXT
Affected: 7.49
Affected: KRNL64UC -7.22
Affected: KERNEL - 7.22
Affected: 7.83
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    "nvd": "{\"cve\":{\"id\":\"CVE-2021-38162\",\"sourceIdentifier\":\"cna@sap.com\",\"published\":\"2021-09-14T12:15:10.740\",\"lastModified\":\"2024-11-21T06:16:31.677\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"SAP Web Dispatcher versions - 7.49, 7.53, 7.77, 7.81, KRNL64NUC - 7.22, 7.22EXT, 7.49, KRNL64UC -7.22, 7.22EXT, 7.49, 7.53, KERNEL - 7.22, 7.49, 7.53, 7.77, 7.81, 7.83 processes allow an unauthenticated attacker to submit a malicious crafted request over a network to a front-end server which may, over several attempts, result in a back-end server confusing the boundaries of malicious and legitimate messages. This can result in the back-end server executing a malicious payload which can be used to read or modify any information on the server or consume server resources making it temporarily unavailable.\\n\\n\"},{\"lang\":\"es\",\"value\":\"SAP Web Dispatcher versiones - 7.49, 7.53, 7.77, 7.81, KRNL64NUC - 7.22, 7.22EXT, 7.49, KRNL64UC -7.22, 7.22EXT, 7.49, 7.53, KERNEL - 7.22, 7.49, 7.53, 7.77, 7.81, 7. 83 unos procesos permiten a un atacante no autenticado enviar una petici\u00f3n maliciosa dise\u00f1ada a trav\u00e9s de una red a un servidor front-end que puede, a lo largo de varios intentos, hacer que un servidor back-end confunda los l\u00edmites de los mensajes maliciosos y leg\u00edtimos. Esto puede resultar en que el servidor back-end ejecutar una carga \u00fatil maliciosa que puede ser usada para leer o modificar cualquier informaci\u00f3n en el servidor o consumir recursos del servidor haci\u00e9ndolo temporalmente no disponible\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cna@sap.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L\",\"baseScore\":8.9,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.2,\"impactScore\":6.0},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L\",\"baseScore\":9.4,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.9,\"impactScore\":5.5}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cna@sap.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-444\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-444\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:web_dispatcher:7.22ext:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D3F76E6A-2F27-450C-AAB5-E49A64079CAC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:web_dispatcher:7.49:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0B4A7850-377C-4463-A5D7-07F516FBD74A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:web_dispatcher:7.53:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"47D4D542-2EC2-490B-B4E9-3E7BB8D59B77\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:web_dispatcher:7.77:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E33D9481-3CF6-4AA3-B115-7903AC6DAE25\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:web_dispatcher:7.81:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"49FF2A5B-E5F0-4991-9AA3-7CB3B8C62941\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:web_dispatcher:7.83:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"65F95ED3-AE34-43A2-AD57-8E0913DDF1D4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:web_dispatcher:kernel_7.22:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A2E1A535-8362-454E-AC22-85C4E957CCF5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:web_dispatcher:krnl64nuc_7.22:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3CA8BFCF-0A55-4DEE-B426-1DEF04DA0464\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sap:web_dispatcher:krnl64uc_7.22:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"52C58E1D-8A91-451C-A1E1-85BE336DC763\"}]}]}],\"references\":[{\"url\":\"http://packetstormsecurity.com/files/166964/SAP-Web-Dispatcher-HTTP-Request-Smuggling.html\",\"source\":\"cna@sap.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://seclists.org/fulldisclosure/2022/May/3\",\"source\":\"cna@sap.com\",\"tags\":[\"Exploit\",\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://launchpad.support.sap.com/#/notes/3080567\",\"source\":\"cna@sap.com\",\"tags\":[\"Permissions Required\"]},{\"url\":\"https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405\",\"source\":\"cna@sap.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://packetstormsecurity.com/files/166964/SAP-Web-Dispatcher-HTTP-Request-Smuggling.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://seclists.org/fulldisclosure/2022/May/3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://launchpad.support.sap.com/#/notes/3080567\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Permissions Required\"]},{\"url\":\"https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


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Taxonomy of the tags.




Sightings

Author Source Type Date

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.