{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"cveId": "CVE-2022-20952", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2021-11-02T13:28:29.194Z", "datePublished": "2023-02-16T15:27:16.003Z", "dateUpdated": "2024-01-25T16:57:24.396Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2024-01-25T16:57:24.396Z"}, "descriptions": [{"lang": "en", "value": "A vulnerability in the scanning engines of Cisco AsyncOS Software for Cisco Secure Web Appliance, formerly known as Cisco Web Security Appliance (WSA), could allow an unauthenticated, remote attacker to bypass a configured rule, thereby allowing traffic onto a network that should have been blocked.\r\n\r This vulnerability exists because malformed, encoded traffic is not properly detected. An attacker could exploit this vulnerability by connecting through an affected device to a malicious server and receiving malformed HTTP responses. A successful exploit could allow the attacker to bypass an explicit block rule and receive traffic that should have been rejected by the device."}], "affected": [{"vendor": "Cisco", "product": "Cisco Secure Web Appliance", "versions": [{"version": "11.8.0-414", "status": "affected"}, {"version": "11.8.1-023", "status": "affected"}, {"version": "11.8.3-018", "status": "affected"}, {"version": "11.8.3-021", "status": "affected"}, {"version": "12.0.1-268", "status": "affected"}, {"version": "12.0.3-007", "status": "affected"}, {"version": "12.5.2-007", "status": "affected"}, {"version": "12.5.1-011", "status": "affected"}, {"version": "12.5.4-005", "status": "affected"}, {"version": "12.5.5-004", "status": "affected"}, {"version": "14.5.0-498", "status": "affected"}, {"version": "14.0.3-014", "status": "affected"}, {"version": "14.0.2-012", "status": "affected"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Input Validation", "type": "cwe", "cweId": "CWE-20"}]}], "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wsa-bypass-bwBfugek", "name": "cisco-sa-wsa-bypass-bwBfugek"}], "metrics": [{"format": "cvssV3_1", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}}], "exploits": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."}], "source": {"advisory": "cisco-sa-wsa-bypass-bwBfugek", "discovery": "INTERNAL", "defects": ["CSCwc54898"]}}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:*", "matchCriteriaId": "F123F722-4765-49AE-AFE7-C889F3658C57", "versionEndExcluding": "14.0.4", "versionStartIncluding": "11.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:asyncos:14.5.0:*:*:*:*:*:*:*", "matchCriteriaId": "23EC2FAD-D9BF-450F-989E-ED862E263F4E", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:cisco:s195:-:*:*:*:*:*:*:*", "matchCriteriaId": "9797CD28-48A3-45BD-BF68-F0DF6F5A5579", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:s395:-:*:*:*:*:*:*:*", "matchCriteriaId": "C6D20279-8176-449A-AF4C-E2C90F370B30", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:s695:-:*:*:*:*:*:*:*", "matchCriteriaId": "D9408ADA-7A8F-4528-8236-65713CF642D5", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "A vulnerability in the scanning engines of Cisco AsyncOS Software for Cisco Secure Web Appliance, formerly known as Cisco Web Security Appliance (WSA), could allow an unauthenticated, remote attacker to bypass a configured rule, thereby allowing traffic onto a network that should have been blocked.\r\n\r This vulnerability exists because malformed, encoded traffic is not properly detected. An attacker could exploit this vulnerability by connecting through an affected device to a malicious server and receiving malformed HTTP responses. A successful exploit could allow the attacker to bypass an explicit block rule and receive traffic that should have been rejected by the device."}], "id": "CVE-2022-20952", "lastModified": "2024-01-25T17:15:22.127", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "ykramarz@cisco.com", "type": "Secondary"}]}, "published": "2023-03-01T08:15:10.270", "references": [{"source": "ykramarz@cisco.com", "tags": ["Vendor Advisory"], "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wsa-bypass-bwBfugek"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-20"}], "source": "ykramarz@cisco.com", "type": "Secondary"}]}

{}