CVE-2020-3433 — Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking Vulnerability

CVE-2020-3433 (Cisco AnyConnect Secure) is in the CISA Known Exploited Vulnerabilities catalog since 2022-10-24. Used in ransomware. Cisco AnyConnect Secure Mobility Client for Windows interprocess communication (IPC) channel allows for… See the required fix, due date and advisories.

Exploitation status

CVE-2020-3433 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 2022-10-24. 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.

Advisory facts

Vendor or project
Cisco
Affected product
AnyConnect Secure
Added to CISA KEV
2022-10-24
US federal remediation due date
2022-11-14
Ransomware association
Known
EPSS score
—
Weakness (CWE)
CWE-427

Remediation: the required action

Apply updates per vendor instructions.

Wording published by CISA for this catalog entry. It is the baseline action, not a decision about your environment: whether this exposure matters for you depends on where the affected component runs, what it is exposed to and who owns it.

From advisory to a decision you can defend

A catalog entry tells you a vulnerability is being exploited somewhere. It does not tell you whether it matters in your estate, who owns the fix, or what evidence an auditor will ask for later. That is the work VulnTrek does: it takes findings from the tools you already run, decides which exposure actually matters, routes it to an owner, keeps remediation human-approved and retains the lineage as evidence.

Sourced from public upstream advisories (CISA KEV, ENISA EUVD, vendor PSIRTs) mirrored daily. Informational only — not a remediation decision, not legal advice, and the absence of a record is not evidence of safety.