CVE-2020-3435

MEDIUM

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

Title source: llm
STIX 2.1

Description

A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to overwrite VPN profiles on an affected device. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system. The vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted IPC message to the AnyConnect process on an affected device. A successful exploit could allow the attacker to modify VPN profile files. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system.

References (1)

Core 1

Scores

CVSS v3 5.5
EPSS 0.0008
EPSS Percentile 23.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-20
Status published
Products (1)
cisco/anyconnect_secure_mobility_client < 4.9.00086
Published Aug 17, 2020
Tracked Since Feb 18, 2026