Vulnerability · Published May 6, 2021 · Assigned by cisco

CVE-2021-1519Cisco AnyConnect Secure Mobility Client Profile Modification Vulnerability

Medium 4.7

In plain English

A medium-severity improper input validation in Cisco AnyConnect Secure Mobility Client from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).

Severity (CVSS 3.1)4.7Medium

Exploit odds (30 days)0.2%top 88.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco AnyConnect Secure Mobility Client	n/a

Weakness: CWE-20 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

References

20210505 Cisco AnyConnect Secure Mobility Client Profile Modification Vulnerability vendor-advisory, x_refsource_CISCO