HIGH CISA KEV

CVE-2020-3433

CVSS v3

7.8

HIGH

EPSS Score

4.5%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL hijacking attack. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system. The vulnerability is due to insufficient validation of resources that are loaded by the application at run time. An attacker could exploit this vulnerability by sending a crafted IPC message to the AnyConnect process. A successful exploit could allow the attacker to execute arbitrary code on the affected machine with SYSTEM privileges. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system.

CISA Known Exploited Vulnerability

Date Added
10/24/2022
Patch Due Date
11/14/2022
Ransomware Use
Known

Technical details

Published
8/17/2020

Frequently asked questions

What is CVE-2020-3433?

A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL hijacking attack. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system. The vulnerability is due to insufficient validation of resources that are loaded by the application at run time. An attacker could exploit this vulnerability by sending a crafted IPC message to the AnyConnect process. A successful exploit could allow the attacker to execute arbitrary code on the affected machine with SYSTEM privileges. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system.

Is CVE-2020-3433 actively exploited?

Yes. CVE-2020-3433 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 11/14/2022.

What is the CVSS score for CVE-2020-3433?

CVE-2020-3433 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2020-3433 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.