{"id":"CVE-2022-20927","state":"PUBLISHED","title":"A vulnerability in the SSL/TLS client of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote att","description":"A vulnerability in the SSL/TLS client of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r This vulnerability is due to improper memory management when a device initiates SSL/TLS connections. An attacker could exploit this vulnerability by ensuring that the device will connect to an SSL/TLS server that is using specific encryption parameters. A successful exploit could allow the attacker to cause the affected device to unexpectedly reload, resulting in a DoS condition.","publishedAt":"2022-11-10T17:30:39.182Z","updatedAt":"2024-08-03T02:31:59.588Z","severity":{"score":7.7,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","source":"cisco"},"assigner":"cisco","products":["Cisco Cisco Adaptive Security Appliance (ASA) Software","Cisco Cisco Firepower Threat Defense Software","Cisco Cisco FirePOWER Services Software for ASA"],"affected":[{"vendor":"Cisco","product":"Cisco Adaptive Security Appliance (ASA) Software","versions":[{"version":"9.14.1","status":"affected"},{"version":"9.14.1.10","status":"affected"},{"version":"9.14.1.15","status":"affected"},{"version":"9.14.1.19","status":"affected"},{"version":"9.14.1.30","status":"affected"},{"version":"9.14.2","status":"affected"},{"version":"9.14.2.4","status":"affected"},{"version":"9.14.2.8","status":"affected"},{"version":"9.14.2.13","status":"affected"},{"version":"9.14.2.15","status":"affected"},{"version":"9.14.3","status":"affected"},{"version":"9.14.3.1","status":"affected"},{"version":"9.14.3.9","status":"affected"},{"version":"9.14.3.11","status":"affected"},{"version":"9.14.3.13","status":"affected"},{"version":"9.14.3.18","status":"affected"},{"version":"9.14.3.15","status":"affected"},{"version":"9.15.1","status":"affected"},{"version":"9.15.1.7","status":"affected"},{"version":"9.15.1.10","status":"affected"},{"version":"9.15.1.15","status":"affected"},{"version":"9.15.1.16","status":"affected"},{"version":"9.15.1.17","status":"affected"},{"version":"9.15.1.1","status":"affected"},{"version":"9.15.1.21","status":"affected"}]},{"vendor":"Cisco","product":"Cisco Firepower Threat Defense Software","versions":[{"version":"6.6.0","status":"affected"},{"version":"6.6.0.1","status":"affected"},{"version":"6.6.1","status":"affected"},{"version":"6.6.3","status":"affected"},{"version":"6.6.4","status":"affected"},{"version":"6.6.5","status":"affected"},{"version":"6.6.5.1","status":"affected"},{"version":"6.6.5.2","status":"affected"},{"version":"6.7.0","status":"affected"},{"version":"6.7.0.1","status":"affected"},{"version":"6.7.0.2","status":"affected"},{"version":"6.7.0.3","status":"affected"}]},{"vendor":"Cisco","product":"Cisco FirePOWER Services Software for ASA","versions":[{"version":"N/A","status":"affected"}]}],"references":["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ssl-client-dos-cCrQPkA"],"weaknesses":["CWE-120"],"ingestedAt":"2026-10-29T19:49:32.184Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/20xxx/CVE-2022-20927.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-20927","state":"PUBLISHED","datePublished":"2022-11-10T17:30:39.182Z","dateUpdated":"2024-08-03T02:31:59.588Z","assignerShortName":"cisco","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","requesterUserId":"4087f8c1-b21c-479b-99df-de23cb76b743","dateReserved":"2021-11-02T13:28:29.191Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A vulnerability in the SSL/TLS client of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r This vulnerability is due to improper memory management when a device initiates SSL/TLS connections. An attacker could exploit this vulnerability by ensuring that the device will connect to an SSL/TLS server that is using specific encryption parameters. A successful exploit could allow the attacker to cause the affected device to unexpectedly reload, resulting in a DoS condition."}],"affected":[{"vendor":"Cisco","product":"Cisco Adaptive Security Appliance (ASA) Software","versions":[{"version":"9.14.1","status":"affected"},{"version":"9.14.1.10","status":"affected"},{"version":"9.14.1.15","status":"affected"},{"version":"9.14.1.19","status":"affected"},{"version":"9.14.1.30","status":"affected"},{"version":"9.14.2","status":"affected"},{"version":"9.14.2.4","status":"affected"},{"version":"9.14.2.8","status":"affected"},{"version":"9.14.2.13","status":"affected"},{"version":"9.14.2.15","status":"affected"},{"version":"9.14.3","status":"affected"},{"version":"9.14.3.1","status":"affected"},{"version":"9.14.3.9","status":"affected"},{"version":"9.14.3.11","status":"affected"},{"version":"9.14.3.13","status":"affected"},{"version":"9.14.3.18","status":"affected"},{"version":"9.14.3.15","status":"affected"},{"version":"9.15.1","status":"affected"},{"version":"9.15.1.7","status":"affected"},{"version":"9.15.1.10","status":"affected"},{"version":"9.15.1.15","status":"affected"},{"version":"9.15.1.16","status":"affected"},{"version":"9.15.1.17","status":"affected"},{"version":"9.15.1.1","status":"affected"},{"version":"9.15.1.21","status":"affected"}]},{"vendor":"Cisco","product":"Cisco Firepower Threat Defense Software","versions":[{"version":"6.6.0","status":"affected"},{"version":"6.6.0.1","status":"affected"},{"version":"6.6.1","status":"affected"},{"version":"6.6.3","status":"affected"},{"version":"6.6.4","status":"affected"},{"version":"6.6.5","status":"affected"},{"version":"6.6.5.1","status":"affected"},{"version":"6.6.5.2","status":"affected"},{"version":"6.7.0","status":"affected"},{"version":"6.7.0.1","status":"affected"},{"version":"6.7.0.2","status":"affected"},{"version":"6.7.0.3","status":"affected"}]},{"vendor":"Cisco","product":"Cisco FirePOWER Services Software for ASA","versions":[{"version":"N/A","status":"affected"}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ssl-client-dos-cCrQPkA","name":"cisco-sa-ssl-client-dos-cCrQPkA"}],"metrics":[{"format":"cvssV3_1","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","baseScore":7.7,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-120","lang":"en","description":"Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","type":"cwe"}]}],"providerMetadata":{"shortName":"cisco","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateUpdated":"2024-01-25T16:57:14.790Z"},"exploits":[{"lang":"en","value":"The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}],"source":{"advisory":"cisco-sa-ssl-client-dos-cCrQPkA","discovery":"INTERNAL","defects":["CSCvz98540"]}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ssl-client-dos-cCrQPkA","name":"cisco-sa-ssl-client-dos-cCrQPkA","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T02:31:59.588Z"}}]}}}