SB2021050621 - Creation of Temporary File With Insecure Permissions in Cisco AnyConnect Secure Mobility Client
Published: May 6, 2021
Security Bulletin ID
SB2021050621
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Creation of Temporary File With Insecure Permissions (CVE-ID: CVE-2021-1496)
CWE-ID: CWE-378 - Creation of Temporary File With Insecure Permissions
CVSSv4: 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
The vulnerability allows a local user to perform an executable hijacking attack.
The vulnerability exists due to the application loads an executable file from a user-writable directory. A local user can copy a malicious executable file to a specific directory and execute arbitrary code on the target device.
Remediation
Install update from vendor's website.