Username Enumeration Vulnerability in Juniper Netscreen VPN
CVE-2005-2640 · MEDIUM Severity
AV:N/AC:L/AU:N/C:P/I:N/A:N
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 does not respond when the username is invalid.
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