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