CVE detail

CVE-2021-1568 — CVE-2021-1568

Published 2021-06-16 · Modified 2026-06-17 · Vendor cisco · Product anyconnect_secure_mobility_client · Source nvd
MEDIUM
severity
CVSS-derived band
5.5
CVSS v3
0–10 scale
0.0021
EPSS probability
exploitation probability, 30d
11.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog

Description

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.

Remediation

ProductVulnerable rangeFixed versionAdvisory
Cisco Cisco AnyConnect Secure Mobility Clientnot specifiedadvisory ↗

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.