CVE-2020-3433

Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking Vulnerability

Cisco AnyConnect SecureNetwork & edge

CVSS

7.8High

ExploitationExploited in the wildAdded to KEV 24 Oct 2022. Known ransomware useCISA KEV

Exploit odds (EPSS)10.0%Chance of exploitation activity in the next 30 days, higher than 95% of CVEs. Scored 23 Oct 2026FIRST EPSS

Fixed inNone listedNo source names a fixed version. Check the vendor advisory below

Federal deadline14 Nov 2022Remediation due date for US federal agenciesCISA KEV

CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

5 Aug 2020Exploit code publicMetasploit
17 Aug 2020, 18:01 UTCPublishedCVE List
24 Oct 2022Added to CISA KEVCISA KEV

Public exploit code and templates 1

Exploit moduleCisco AnyConnect Privilege Escalations (CVE-2020-3153 and CVE-2020-3433) 5 Aug 2020Metasploit

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Cisco AnyConnect Secure Mobility Client for Windows interprocess communication (IPC) channel allows for insufficient validation of resources that are loaded by the application at run time. An attacker with valid credentials on Windows could execute code on the affected machine with SYSTEM privileges.

Text from CVE List

Affected versions 1

Cisco AnyConnect Secure Mobility Clientaffected: n/aCVE List