CVE-2020-3434CWE-20

Cisco AnyConnect Secure Mobility Client for Windows Denial of Service Vulnerability

Medium · published August 17, 2020

CVSS v3.1
5.5
EPSS
0%
Percentile
38.5
In the wild
Unconfirmed
What it is

A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to cause a denial of service (DoS) condition 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 stop the AnyConnect process, causing a DoS condition on the device. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00455 · 38.5th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2020-08-17T18:01Z
EPSS history
Timeline
  • 17 AUG 18:01Z
    Cisco AnyConnect Secure Mobility Client for Windows Denial of Service Vulnerability
    cvelistv5