VAR-200210-0276

Vulnerability from variot - Updated: 2025-04-03 22:14

Cisco Virtual Private Network (VPN) Client software 2.x.x, and 3.x before 3.5.1C, allows local users to use a utility program to obtain the group password. Cisco has reported that a vulnerability exists in the Windows VPN client that may result in unintended disclosure of the password. It is possible to extract the plaintext password value from a "shaded" (replaced with asterisks) field in the authentication property page using a utility. This utility may be the publicly available "Revelation" tool, however this is unconfirmed. It can be used under the Microsoft Windows operating system, and can also be used under the Linux operating system. A local attacker can exploit this vulnerability to conduct password recovery attacks and obtain group password information. There are design loopholes in the Cisco VPN client. These passwords were originally displayed with '*'. CISCO designated this vulnerability number as: CSCdt60391

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