Improper input validation in Cisco Anyconnect Secure Mobility Client

CVE-2021-1519

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.002 (11.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-1519?
CVE-2021-1519 is a medium-severity vulnerability in Cisco Anyconnect Secure Mobility Client, classified under Improper Input Validation. CVSS score: 4.7/10. Published 2021-05-06.
How severe is CVE-2021-1519?
Medium severity. CVSS v3 base score is 4.7 out of 10.