{"id":"CVE-2024-20474","state":"PUBLISHED","title":"A vulnerability in Internet Key Exchange version 2 (IKEv2) processing of Cisco Secure Client Software could allow an unauthenticated, remote attacker to cause a denial of service (","description":"A vulnerability in Internet Key Exchange version 2 (IKEv2) processing of Cisco Secure Client Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) of Cisco Secure Client.\r\n\r This vulnerability is due to an integer underflow condition. An attacker could exploit this vulnerability by sending a crafted IKEv2 packet to an affected system. A successful exploit could allow the attacker to cause Cisco Secure Client Software to crash, resulting in a DoS condition on the client software.\r\n\r Note: Cisco Secure Client Software releases 4.10 and earlier were known as Cisco AnyConnect Secure Mobility Client.","publishedAt":"2024-10-23T17:49:23.557Z","updatedAt":"2024-10-23T20:54:12.513Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","source":"cisco"},"assigner":"cisco","products":["Cisco Cisco Secure Client"],"affected":[{"vendor":"Cisco","product":"Cisco Secure Client","versions":[{"version":"4.9.00086","status":"affected"},{"version":"4.9.01095","status":"affected"},{"version":"4.9.02028","status":"affected"},{"version":"4.9.03047","status":"affected"},{"version":"4.9.03049","status":"affected"},{"version":"4.9.04043","status":"affected"},{"version":"4.9.04053","status":"affected"},{"version":"4.9.05042","status":"affected"},{"version":"4.9.06037","status":"affected"},{"version":"4.10.00093","status":"affected"},{"version":"4.10.01075","status":"affected"},{"version":"4.10.02086","status":"affected"},{"version":"4.10.03104","status":"affected"},{"version":"4.10.04065","status":"affected"},{"version":"4.10.04071","status":"affected"},{"version":"4.10.05085","status":"affected"},{"version":"4.10.05095","status":"affected"},{"version":"4.10.05111","status":"affected"},{"version":"4.10.06079","status":"affected"},{"version":"4.10.06090","status":"affected"},{"version":"4.10.07061","status":"affected"},{"version":"4.10.07062","status":"affected"},{"version":"4.10.07073","status":"affected"},{"version":"4.10.08025","status":"affected"},{"version":"4.10.08029","status":"affected"},{"version":"5.0.00238","status":"affected"},{"version":"5.0.00529","status":"affected"},{"version":"5.0.00556","status":"affected"},{"version":"5.0.01242","status":"affected"},{"version":"5.0.02075","status":"affected"},{"version":"5.0.03072","status":"affected"},{"version":"5.0.03076","status":"affected"},{"version":"5.0.04032","status":"affected"},{"version":"5.0.05040","status":"affected"},{"version":"5.1.0.136","status":"affected"},{"version":"5.1.1.42","status":"affected"},{"version":"5.1.2.42","status":"affected"},{"version":"5.1.3.62","status":"affected"}]}],"references":["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-csc-dos-XvPhM3bj"],"weaknesses":["CWE-191"],"ingestedAt":"2026-10-29T20:06:59.846Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/20xxx/CVE-2024-20474.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-20474","state":"PUBLISHED","datePublished":"2024-10-23T17:49:23.557Z","dateUpdated":"2024-10-23T20:54:12.513Z","assignerShortName":"cisco","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateReserved":"2023-11-08T15:08:07.681Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A vulnerability in Internet Key Exchange version 2 (IKEv2) processing of Cisco Secure Client Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) of Cisco Secure Client.\r\n\r This vulnerability is due to an integer underflow condition. An attacker could exploit this vulnerability by sending a crafted IKEv2 packet to an affected system. A successful exploit could allow the attacker to cause Cisco Secure Client Software to crash, resulting in a DoS condition on the client software.\r\n\r Note: Cisco Secure Client Software releases 4.10 and earlier were known as Cisco AnyConnect Secure Mobility Client."}],"affected":[{"vendor":"Cisco","product":"Cisco Secure Client","versions":[{"version":"4.9.00086","status":"affected"},{"version":"4.9.01095","status":"affected"},{"version":"4.9.02028","status":"affected"},{"version":"4.9.03047","status":"affected"},{"version":"4.9.03049","status":"affected"},{"version":"4.9.04043","status":"affected"},{"version":"4.9.04053","status":"affected"},{"version":"4.9.05042","status":"affected"},{"version":"4.9.06037","status":"affected"},{"version":"4.10.00093","status":"affected"},{"version":"4.10.01075","status":"affected"},{"version":"4.10.02086","status":"affected"},{"version":"4.10.03104","status":"affected"},{"version":"4.10.04065","status":"affected"},{"version":"4.10.04071","status":"affected"},{"version":"4.10.05085","status":"affected"},{"version":"4.10.05095","status":"affected"},{"version":"4.10.05111","status":"affected"},{"version":"4.10.06079","status":"affected"},{"version":"4.10.06090","status":"affected"},{"version":"4.10.07061","status":"affected"},{"version":"4.10.07062","status":"affected"},{"version":"4.10.07073","status":"affected"},{"version":"4.10.08025","status":"affected"},{"version":"4.10.08029","status":"affected"},{"version":"5.0.00238","status":"affected"},{"version":"5.0.00529","status":"affected"},{"version":"5.0.00556","status":"affected"},{"version":"5.0.01242","status":"affected"},{"version":"5.0.02075","status":"affected"},{"version":"5.0.03072","status":"affected"},{"version":"5.0.03076","status":"affected"},{"version":"5.0.04032","status":"affected"},{"version":"5.0.05040","status":"affected"},{"version":"5.1.0.136","status":"affected"},{"version":"5.1.1.42","status":"affected"},{"version":"5.1.2.42","status":"affected"},{"version":"5.1.3.62","status":"affected"}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-csc-dos-XvPhM3bj","name":"cisco-sa-csc-dos-XvPhM3bj"}],"metrics":[{"format":"cvssV3_1","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-191","lang":"en","description":"Integer Underflow (Wrap or Wraparound)","type":"cwe"}]}],"providerMetadata":{"shortName":"cisco","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateUpdated":"2024-10-23T17:49:23.557Z"},"exploits":[{"lang":"en","value":"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}],"source":{"advisory":"cisco-sa-csc-dos-XvPhM3bj","discovery":"EXTERNAL","defects":["CSCwj99060"]}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-10-23T20:54:04.508420Z","id":"CVE-2024-20474","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-10-23T20:54:12.513Z"}}]}}}