{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-20337","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","state":"PUBLISHED","assignerShortName":"cisco","dateReserved":"2023-11-08T15:08:07.642Z","datePublished":"2024-03-06T16:30:02.285Z","dateUpdated":"2024-08-01T21:59:42.871Z"},"containers":{"cna":{"providerMetadata":{"orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco","dateUpdated":"2024-03-06T16:30:02.285Z"},"descriptions":[{"lang":"en","value":"A vulnerability in the SAML authentication process of Cisco Secure Client could allow an unauthenticated, remote attacker to conduct a carriage return line feed (CRLF) injection attack against a user. \r\n\r This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a crafted link while establishing a VPN session. A successful exploit could allow the attacker to execute arbitrary script code in the browser or access sensitive, browser-based information, including a valid SAML token. The attacker could then use the token to establish a remote access VPN session with the privileges of the affected user. Individual hosts and services behind the VPN headend would still need additional credentials for successful access."}],"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":"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"}]}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Improper Neutralization of CRLF Sequences ('CRLF Injection')","type":"cwe","cweId":"CWE-93"}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-client-crlf-W43V4G7","name":"cisco-sa-secure-client-crlf-W43V4G7"}],"metrics":[{"format":"cvssV3_1","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","baseScore":8.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"NONE"}}],"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-secure-client-crlf-W43V4G7","discovery":"EXTERNAL","defects":["CSCwi37512"]}},"adp":[{"affected":[{"vendor":"cisco","product":"secure_client","cpes":["cpe:2.3:a:cisco:secure_client:4.10.00093:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.10.01075:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.10.02086:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.10.03104:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.10.04065:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.10.04071:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.10.05085:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.10.05095:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.10.05111:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.10.06079:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.10.06090:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.10.07061:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.10.07062:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.10.07073:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.9.00086:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.9.01095:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.9.02028:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.9.03047:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.9.03049:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.9.04043:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.9.04053:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.9.05042:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:4.9.06037:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:5.0.00238:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:5.0.00529:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:5.0.00556:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:5.0.01242:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:5.0.02075:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:5.0.03072:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:5.0.03076:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:5.0.04032:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:5.1.0.136:*:*:*:*:*:*:*","cpe:2.3:a:cisco:secure_client:5.1.1.42:*:*:*:*:*:*:*"],"defaultStatus":"unknown","versions":[{"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":"4.9.00086","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":"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":"5.1.0.136","status":"affected"},{"version":"5.1.1.42","status":"affected"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-03-09T05:00:57.702576Z","id":"CVE-2024-20337","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical 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