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CVE-2020-3153

Cisco AnyConnect Secure Mobility Client for Windows Uncontrolled Search Path Vulnerability

Basic Information

CVE State
PUBLISHED
Reserved Date
December 12, 2019
Published Date
February 19, 2020
Last Updated
November 08, 2024
Vendor
Cisco
Product
Cisco AnyConnect Secure Mobility Client
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 Scores

CVSS v3.0

6.5 - MEDIUM

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

SSVC Information

Exploitation
active
Technical Impact
partial

Exploit Status

Exploited in the Wild
Yes (added 2022-10-24 00:00:00 UTC) Source
Proof of Concept Available
Yes (added 2020-05-04 18:36:22 UTC) Source
Used in Malware
Yes (added 2022-10-24 00:00:00 UTC) Source

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ac-win-path-traverse-qO4HWBsj http://seclists.org/fulldisclosure/2020/Apr/43 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

Known Exploited Vulnerability Information

Source Added Date
CISA 2022-10-24 00:00:00 UTC

Scanner Integrations

Scanner URL Date Detected
Metasploit https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/local/anyconnect_lpe.rb 2025-04-29 11:01:40 UTC

Potential Proof of Concepts

Warning: These PoCs have not been tested and could contain malware. Use at your own risk.

goichot/CVE-2020-3153

Type: github • Created: 2020-05-19 18:59:26 UTC • Stars: 106

Cisco AnyConnect < 4.8.02042 privilege escalation through path traversal

shubham0d/CVE-2020-3153

Type: github • Created: 2020-05-04 18:36:22 UTC • Stars: 5

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