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Medium · 6.5 Known exploited · Ransomware Public exploit CVE-2020-3153 EUVD-2020-24424GHSA-xpxv-rfwh-rcfc

Cisco AnyConnect Secure Mobility Client for Windows Uncontrolled Search Path Vulnerability

Published Feb 19, 2020 · Updated Aug 12, 2026 · Assigned by cisco

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.

Affected products

VendorProductAffectedFixed
Cisco Cisco AnyConnect Secure Mobility Client unspecified – < n/a n/a

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Metasploit 1 module

GitHub 3 repositories

  • goichot/CVE-2020-3153 ★ 103 · May 19, 2020

    Cisco AnyConnect < 4.8.02042 privilege escalation through path traversal

  • shubham0d/CVE-2020-3153 ★ 5 · May 4, 2020

    POC code for CVE-2020-3153 - Cisco anyconnect path traversal vulnerability

  • raspberry-pie/CVE-2020-3153 ★ 0 · May 15, 2020

    PoC for CVE-2020-3153 Cisco AnyConnect Secure Mobility Client EoP

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References