Security readout for executives and security teams
Older Solaris systems ran the rpcbind service on an unexpected high-numbered UDP port in addition to the standard port 111. Firewalls that only blocked port 111 could still let attackers reach the service, exposing it to probing or abuse even when administrators believed it was filtered. The issue is decades old and relevant only to legacy Solaris environments. Confined to legacy Solaris hosts still running rpcbind and reachable from untrusted networks. Modern Solaris releases and non-Solaris systems are not implicated. Environments that have retired Solaris or already restrict RPC egress/ingress broadly are effectively unexposed. Low priority for modern environments. Only relevant if legacy Solaris systems remain in production. If any are present, treat as part of standard legacy-hardening or decommissioning work rather than an emergency response. Mitigation focus: Apply the Sun Security Bulletin 00142 patch on any remaining Solaris hosts running rpcbind.; Filter all rpcbind ports (111/TCP-UDP and dynamic high UDP) at network and host firewalls, not just port 111.; Disable rpcbind entirely on Solaris systems that do not require RPC services..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-1999-0189 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
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- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
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Source materials
- CVE List V5 sourceCVE List V5
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CWE details
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