CVE-2021-1519 Cisco AnyConnect Secure Mobility Client Profile Modification Vulnerability
An authenticated local attacker can modify VPN profile files by sending crafted IPC messages to the Cisco AnyConnect client.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-1519?
CVE-2021-1519 is a medium-severity missing authorization vulnerability in Cisco Anyconnect Secure Mobility Client, published on 6 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client Software could allow an authenticated, local attacker to overwrite VPN profiles on an affected device. The vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted IPC message to the AnyConnect process. A successful exploit could allow the attacker to modify VPN profile files. To exploit this vulnerability, the attacker must have valid credentials on the affected system.
Weakness: CWE-20
Which versions are affected by CVE-2021-1519?
It affects 1 product.
Products include Cisco Anyconnect Secure Mobility Client.
How do I fix CVE-2021-1519?
No fix has been published for CVE-2021-1519 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-1519 being exploited?
There is no known exploitation of CVE-2021-1519 in the wild and no public exploit code.
Other vulnerabilities in Cisco Anyconnect Secure Mobility Client
Sources
Also known as GHSA-464q-rwfg-g9j3.