CVE-2020-3434

Description

A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected device. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system. 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 on an affected device. A successful exploit could allow the attacker to stop the AnyConnect process, causing a DoS condition on the device. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system.

Risk Information

Base Score

5.5

MODERATE

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Score

Exploitation Probability

0.062

Associated Vulnerability

Vulnerability	OS Platform
Vulnerability CVE-2020-3434,CVE-2020-3435 are affected in Cisco AnyConnect Secure Mobility Client For Windows 4.9.00086	Windows
Vulnerabilities CVE-2020-3434,CVE-2020-3435,CVE-2024-20474 are affected in Cisco AnyConnect Secure Mobility Client For Windows 4.9.00086	Windows
Multiple Vulnerabilities are affected in Any Connect (Microsoft Store) 4.9.00086	Windows
Improper Input Validation Vulnerability (CVE-2020-3434)	NCM

Patch Details

Click to see the patches provided by ManageEngine for this CVE

Patch ID	Patch Description
PATCH-338372	Cisco AnyConnect Secure Mobility Client (4.10.08029) (Manual Upload Required)
PATCH-338372	Cisco AnyConnect Secure Mobility Client (4.10.08029) (Manual Upload Required)

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234