CVE-2021-1496

HIGH

Cisco AnyConnect Secure Mobility Client for Windows - Privilege Esc...

Title source: llm
STIX 2.1

Description

Multiple vulnerabilities in the install, uninstall, and upgrade processes of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to hijack DLL or executable files that are used by the application. A successful exploit could allow the attacker to execute arbitrary code on an affected device with SYSTEM privileges. To exploit these vulnerabilities, the attacker must have valid credentials on the Windows system. For more information about these vulnerabilities, see the Details section of this advisory.

References (1)

Core 1

Scores

CVSS v3 7.0
EPSS 0.0015
EPSS Percentile 34.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-378 CWE-427
Status published
Products (1)
cisco/anyconnect_secure_mobility_client < 4.9.03022
Published May 06, 2021
Tracked Since Feb 18, 2026