CVE-2021-1568: medium-severity vulnerability in Cisco AnyConnect Secure Mobility Client
Cisco AnyConnect Secure Mobility Client for Windows Denial of Service Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.5epss 0.2%
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
Cisco · Cisco AnyConnect Secure Mobility ClientRelated CVEs — Cisco AnyConnect Secure Mobility Client
In the same product, most dangerous first.
CVE-2020-3153MEDIUMCisco AnyConnect Secure Mobility Client for Windows Uncontrolled Search Path VulnerabilityEPSS 28.5%KEVCVE-2020-3433HIGHCisco AnyConnect Secure Mobility Client for Windows DLL Hijacking VulnerabilityEPSS 10.0%KEVCVE-2019-1853MEDIUMCisco AnyConnect Secure Mobility Client for Linux Out-of-Bounds Memory Read VulnerabilityEPSS 1.6%CVE-2021-1366HIGHCisco AnyConnect Secure Mobility Client for Windows with VPN Posture (HostScan) Module DLL Hijacking VulnerabilityEPSS 1.3%CVE-2021-1496HIGHCisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking VulnerabilitiesEPSS 0.5%CVE-2020-3434MEDIUMCisco AnyConnect Secure Mobility Client for Windows Denial of Service VulnerabilityEPSS 0.5%