CVE-2005-4587: Juniper NetScreen-Security Manager (NSM) 2004 FP2 and FP3 allow remote attackers to cause a denial of servi...

Security readout for executives and security teams

This old Juniper NetScreen-Security Manager issue can let a remote attacker crash or hang automatically restarted NSM server components by sending an overly long crafted string to management service ports. The business impact is availability loss for firewall/security management, not confirmed data theft or device compromise in the supplied sources. Exposure is likely limited to environments still running Juniper NSM 2004 FP2 or FP3, especially where ports 7800 or 7801 are reachable from untrusted networks. The supplied bundle does not provide CPEs, modern product mapping, or deployment prevalence. Prioritize if legacy Juniper NSM is still used for security device management or exposed beyond a protected admin network. For organizations without NSM 2004 FP2 or FP3, this is mainly a legacy hygiene check. Mitigation focus: Identify any remaining Juniper NSM 2004 FP2 or FP3 systems.; Check Juniper guidance or support records for the applicable fixed release.; Restrict access to NSM management ports 7800 and 7801 to trusted administration networks..

Prepared

Jun 29, 2026, 15:35 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.