Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Anyconnect Secure Mobility Client | < 4.8.02042 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/157340/Cisco-AnyConnect-Secure-Mobility-CliExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/158219/Cisco-AnyConnect-Path-Traversal-PrivExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/159420/Cisco-AnyConnect-Privilege-EscalatioExploitThird Party AdvisoryVDB Entry
- http://seclists.org/fulldisclosure/2020/Apr/43ExploitMailing ListThird Party Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aVendor Advisory
- http://packetstormsecurity.com/files/157340/Cisco-AnyConnect-Secure-Mobility-CliExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/158219/Cisco-AnyConnect-Path-Traversal-PrivExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/159420/Cisco-AnyConnect-Privilege-EscalatioExploitThird Party AdvisoryVDB Entry
- http://seclists.org/fulldisclosure/2020/Apr/43ExploitMailing ListThird Party Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-US Government Resource
FAQ
What is CVE-2020-3153?
CVE-2020-3153 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 wi...
How severe is CVE-2020-3153?
CVE-2020-3153 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-3153?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Anyconnect Secure Mobility Client.