CVE-2005-2640

Behavioral discrepancy information leak in Juniper Netscreen VPN running ScreenOS 5.2.0 and earlier, when using IKE with pre-shared key authentication, allows remote attackers to enumerate valid usernames via an IKE Aggressive Mode packet, which generates a response if the username is valid but...

CVE-2005-2640: Undefined Security Weakness

Behavioral discrepancy information leak in Juniper Netscreen VPN running ScreenOS 5.2.0 and earlier, when using IKE with pre-shared key authentication, allows remote attackers to enumerate valid usernames via an IKE Aggressive Mode packet, which generates a response if the username is valid but...

Juniper NetScreen 5.0 - VPN 'Username' Enumeration

source: https://www.securityfocus.com/bid/14595/info The Juniper Netscreen VPN implementation will identify valid usernames in IKE aggressive mode, when pre-shared key authentication is used. This allows for attackers to obtain a list of valid VPN users. With a valid username, an attacker can...

[Full-disclosure] Juniper Netscreen VPN Username Enumeration Vulnerability

Juniper Netscreen VPN Username Enumeration Vulnerability 1. Overview NTA Monitor has discovered a VPN username enumeration vulnerability in the Juniper Netscreen integrated Firewall/VPN products while performing a VPN security test for a customer. The vulnerability affects remote access VPNs know...