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Actively exploited · Published Feb 19, 2020 · Assigned by cisco

CVE-2020-3153Cisco AnyConnect Secure Mobility Client for Windows Uncontrolled Search Path Vulnerability

Medium 6.5 Exploited Ransomware

In plain English

A medium-severity uncontrolled search path in Cisco AnyConnect Secure Mobility Client from Cisco. Attackers are actively exploiting it in the wild (listed by CISA on October 24, 2022). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 28.5% (higher than 98% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, public proof-of-concept code. Apply updates per vendor instructions.

Severity (CVSS 3.0)6.5Medium
Exploit odds (30 days)28.5%top 1.9% of all CVEs
Exploited in the wildYesCISA KEV since Oct 24, 2022
Attack tooling2Metasploit, Public PoC

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Nov 14, 2022.

Official 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 (as reported)

VendorProductVersions
Cisco Cisco AnyConnect Secure Mobility Client unspecified – before n/a

Weakness: CWE-427 · Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

References