{"cve":"CVE-2020-3153","nvd":{"published":"2020-02-19T20:15:15.113","modified":"2026-08-12T05:17:29.713","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","score":6.5},"cwes":["CWE-427"],"references":["http://packetstormsecurity.com/files/157340/Cisco-AnyConnect-Secure-Mobility-Client-4.8.01090-Privilege-Escalation.html","http://packetstormsecurity.com/files/158219/Cisco-AnyConnect-Path-Traversal-Privilege-Escalation.html","http://packetstormsecurity.com/files/159420/Cisco-AnyConnect-Privilege-Escalation.html","http://seclists.org/fulldisclosure/2020/Apr/43","https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ac-win-path-traverse-qO4HWBsj"],"products":["cisco:anyconnect_secure_mobility_client"],"source":"nvd","synced_at":"2026-10-19T21:02:53.949909883+00:00"},"epss":{"cve":"CVE-2020-3153","score":0.28515,"percentile":0.98129,"date":"2026-10-31"},"kev":{"cve":"CVE-2020-3153","date_added":"2022-10-24","due_date":"2022-11-14","vendor":"Cisco","product":"AnyConnect Secure","known_ransomware":true},"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}