CVE-2020-3433 · netVigilance record NV22-0534
Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking
past due ransomware
What to do
Apply updates per vendor instructions.
CISA deadline 2022-11-14 · passed 3 years 9 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
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.
Who is affected
Cisco AnyConnect Secure. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-427.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 3 years 9 months ago
Sources
- NVD entry for CVE-2020-3433 nvd.nist.gov/vuln/detail/CVE-2020-3433
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- tools.cisco.com tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-dll-F26WwJW
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2020-3433