October 24, 2022 · Applied Cybernetics Group
CVE-2020-3433 — Cisco AnyConnect Secure
known ransomware use
Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking Vulnerability
- Added to KEV
2022-10-24- Federal due date
2022-11-14- Vendor
- Cisco
- Product
- AnyConnect Secure
- EPSS
- 89.3th percentile (score 0.045, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2020-3433
CISA short 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.
Required action
Apply updates per vendor instructions.