CVE-2020-3153

MediumCVSS 6.5/10Known exploited (CISA KEV)Last modified Aug 12, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

Weakness enumeration

Affected software

VendorProductVersions
CiscoCisco AnyConnect Secure Mobility Client>= unspecified, < n/a

References

Timeline

Published
Feb 19, 2020
Last modified
Aug 12, 2026
Added to CISA KEV
Oct 24, 2022
NVD status
Analyzed

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CVE-2020-3153: Medium severity, CVSS 6.5 | Vulnix