{"id":"CVE-2020-3153","aliases":[],"url":"https://o3.security/vulnerability/CVE-2020-3153","summary":"A vulnerability in the installer component of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated local attacker to copy user-supplied files to system level…","details":"A vulnerability in the installer component of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated local attacker to copy user-supplied files to system level directories with system level privileges. The vulnerability is due to the incorrect handling of directory paths. An attacker could exploit this vulnerability by creating a malicious file and copying the file to a system directory. An exploit could allow the attacker to copy malicious files to arbitrary locations with system level privileges. This could include DLL pre-loading, DLL hijacking, and other related attacks. To exploit this vulnerability, the attacker needs valid credentials on the Windows system.","published":"2020-02-19T20:15:15.113","modified":"2026-08-12T05:17:29.713","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N"},"epss":{"score":0.28307,"percentile":0.97974,"asOf":"2026-08-27"},"cisaKev":{"dateAdded":"2022-10-24","dueDate":"2022-11-14","knownRansomwareCampaignUse":true},"exploitsKnown":10,"affectedPackages":[],"fix":null,"references":[{"type":"EXPLOIT","url":"http://packetstormsecurity.com/files/157340/Cisco-AnyConnect-Secure-Mobility-Client-4.8.01090-Privilege-Escalation.html"},{"type":"EXPLOIT","url":"http://packetstormsecurity.com/files/158219/Cisco-AnyConnect-Path-Traversal-Privilege-Escalation.html"},{"type":"EXPLOIT","url":"http://packetstormsecurity.com/files/159420/Cisco-AnyConnect-Privilege-Escalation.html"},{"type":"EXPLOIT","url":"http://seclists.org/fulldisclosure/2020/Apr/43"},{"type":"ADVISORY","url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ac-win-path-traverse-qO4HWBsj"},{"type":"EXPLOIT","url":"http://packetstormsecurity.com/files/157340/Cisco-AnyConnect-Secure-Mobility-Client-4.8.01090-Privilege-Escalation.html"},{"type":"EXPLOIT","url":"http://packetstormsecurity.com/files/158219/Cisco-AnyConnect-Path-Traversal-Privilege-Escalation.html"},{"type":"EXPLOIT","url":"http://packetstormsecurity.com/files/159420/Cisco-AnyConnect-Privilege-Escalation.html"},{"type":"EXPLOIT","url":"http://seclists.org/fulldisclosure/2020/Apr/43"},{"type":"ADVISORY","url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ac-win-path-traverse-qO4HWBsj"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3153"}],"provenance":{"sources":["OSV.dev","NVD","CISA KEV","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T05:17:29.713"}}