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CVE-2020-3153

MEDIUM severity · CVSS 6.5 · CWE-427 · actively exploited (CISA KEV)
6.5CVSS MEDIUM exploited ransomware
Actively exploited in the wild (CISA Known Exploited Vulnerabilities). Known use in ransomware campaigns. Added to KEV 2022-10-24. US federal agencies must patch by 2022-11-14.

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 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.

Impact & exploitability

Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)27%

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

Affected products we track (1)

Cisco AnyConnect Secure Mobility Client

Recommendation

This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.

Additional information