CVE-2021-1258: medium-severity vulnerability in Cisco AnyConnect Secure Mobility Client
Cisco AnyConnect Secure Mobility Client Arbitrary File Read Vulnerability
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.5epss 0.3%
A vulnerability in the upgrade component of Cisco AnyConnect Secure Mobility Client could allow an authenticated, local attacker with low privileges to read arbitrary files on the underlying operating system (OS) of an affected device. The vulnerability is due to insufficient file permission restrictions. An attacker could exploit this vulnerability by sending a crafted command from the local CLI to the application. A successful exploit could allow the attacker to read arbitrary files on the underlying OS of the affected device. The attacker would need to have valid user credentials to exploit this vulnerability.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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%