Input validation error in Cisco AnyConnect Secure Mobility Client - CVE-2021-1519
Published: May 6, 2021
Vulnerability identifier: #VU52928
CSH Severity: Low
CVSS v4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1519
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to overwrite VPN profiles on the target device.
The vulnerability exists due to insufficient validation of user-supplied input in the interprocess communication (IPC) channel. A local user can send a specially crafted IPC message to the AnyConnect process and modify VPN profile files.
Affected software
Cisco AnyConnect Secure Mobility Client
How to mitigate CVE-2021-1519
Install updates from vendor's website.
Cisco AnyConnect Secure Mobility Client - update to 4.10.00093