CVE Catalog

CVE-2002-1106

High
Published: Translated: NVD NIST

Summary

Cisco Virtual Private Network (VPN) Client software 2.x.x and 3.x before 3.5.1C does not properly verify that certificate DN fields match those of the certificate from the VPN Concentrator, allowing remote attackers to conduct man-in-the-middle attacks.

Risk Assessment

Attackers can intercept and modify data transmitted over the VPN, leading to serious security breaches and loss of confidentiality.

Recommendation

It is recommended to upgrade the Cisco VPN Client software to version 3.5.1C or later to ensure proper certificate verification.

Related vulnerabilities

Original NVD description (English source)

Cisco Virtual Private Network (VPN) Client software 2.x.x, and 3.x before 3.5.1C, does not properly verify that certificate DN fields match those of the certificate from the VPN Concentrator, which allows remote attackers to conduct man-in-the-middle attacks.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS