CVE-2021-1568CWE-789

Cisco AnyConnect Secure Mobility Client for Windows Denial of Service Vulnerability

Medium · published June 16, 2021

CVSS v3.1
5.5
EPSS
0%
Percentile
10.3
In the wild
Unconfirmed
What it is

A vulnerability in Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected system. This vulnerability is due to uncontrolled memory allocation. An attacker could exploit this vulnerability by copying a crafted file to a specific folder on the system. A successful exploit could allow the attacker to crash the VPN Agent service when the affected application is launched, causing it to be unavailable to all users of the system. To exploit this vulnerability, the attacker must have valid credentials on a multiuser 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
0.00208 · 10.3th percentile
Weakness
CWE-789 · Memory Allocation with Excessive Size Value
Published
2021-06-16T17:45Z
EPSS history
Timeline
  • 16 JUN 17:45Z
    Cisco AnyConnect Secure Mobility Client for Windows Denial of Service Vulnerability
    cvelistv5