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CVE-2020-3435
Cisco AnyConnect Secure Client vulnerability analysis and mitigation

A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to overwrite VPN profiles on an affected device. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system. The vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted IPC message to the AnyConnect process on an affected device. A successful exploit could allow the attacker to modify VPN profile files. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system.


SourceNVD

Related Cisco AnyConnect Secure Client vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-20206HIGH7.8
  • Cisco AnyConnect Secure Client logoCisco AnyConnect Secure Client
  • cpe:2.3:a:cisco:secure_client
NoYesMar 05, 2025
CVE-2024-3661HIGH7.6
  • Rust logoRust
  • kvpnc
NoYesMay 06, 2024
CVE-2024-20391MEDIUM6.8
  • Cisco AnyConnect Secure Client logoCisco AnyConnect Secure Client
  • cpe:2.3:a:cisco:secure_client
NoYesMay 15, 2024
CVE-2024-20474MEDIUM6.5
  • Cisco AnyConnect Secure Client logoCisco AnyConnect Secure Client
  • cpe:2.3:a:cisco:anyconnect_secure_mobility_client
NoYesOct 23, 2024
CVE-2020-3432MEDIUM5.6
  • Cisco AnyConnect Secure Client logoCisco AnyConnect Secure Client
  • cpe:2.3:a:cisco:anyconnect_secure_mobility_client
NoYesFeb 12, 2025

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