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

provenance: imported · CVE: CVE-2020-3433 · CWE: CWE-427

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

CISA Known Exploited Vulnerability (KEV)

Vendor / project Cisco
Product AnyConnect Secure
Date added 2022-10-24
Due date 2022-11-14
Ransomware campaign use Known

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 (CISA)

Apply updates per vendor instructions.

Notes

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-dll-F26WwJW; https://nvd.nist.gov/vuln/detail/CVE-2020-3433

Weakness behind it

CISA records this vulnerability as an instance of CWE-427. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

  • NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-3433
  • KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

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