Insecure DLL loading in Cisco AnyConnect Secure Mobility Client - CVE-2021-1430
Published: May 6, 2021
Vulnerability identifier: #VU52920
CSH Severity: Low
CVSS v4: 7.3 [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]
CVE-ID: CVE-2021-1430
CWE-ID: CWE-427
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to compromise vulnerable system.
The vulnerability exists due to a temporary file with insecure permissions is created during the upgrade process. A local user can place a specially crafted .dll file and execute arbitrary code on victim's system.
Affected software
Cisco AnyConnect Secure Mobility Client
How to mitigate CVE-2021-1430
Install updates from vendor's website.
Cisco AnyConnect Secure Mobility Client - update to 4.9.06037