Vulnerability identifier: #VU52928

Vulnerability risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1519

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Cisco AnyConnect Secure Mobility Client
Client/Desktop applications / Other client software

Vendor:

Description

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-profile-AggMUCDg

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.