#VU52911 Creation of Temporary File With Insecure Permissions in Cisco AnyConnect Secure Mobility Client - CVE-2021-1426

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Main Vulnerability Database Vulnerabilities #VU52911

#VU52911 Creation of Temporary File With Insecure Permissions in Cisco AnyConnect Secure Mobility Client - CVE-2021-1426

Published: May 6, 2021


Vulnerability identifier: #VU52911
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-1426
CWE-ID: CWE-378
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Cisco AnyConnect Secure Mobility Client
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a local user to perform an executable hijacking attack.

The vulnerability exists due to a temporary file with insecure permissions is created during the uninstall process. A local user can overwrite the temporary file before it is accessed for execution and execute arbitrary code on the target device.


Remediation

Install updates from vendor's website.

External links