Security readout for executives and security teams
CVE-1999-1099 is an information disclosure issue in Kerberos 4. A remote attacker could trigger an error response that reveals the Kerberos realm name and the last user. This is mainly a legacy exposure risk, but it can help attackers map identity infrastructure. Exposure is most likely in organizations still running Kerberos 4 or legacy Kerberos-compatible services reachable over UDP, especially from untrusted networks. The provided affected-product data is incomplete. Treat this as a legacy identity-infrastructure hygiene issue. Prioritize discovery and network exposure reduction over emergency response unless Kerberos 4 is internet-accessible or critical systems depend on it. Mitigation focus: Identify any remaining Kerberos 4 services or compatibility modes.; Check vendor or platform guidance for supported migration or fixes.; Restrict Kerberos UDP access to trusted networks only..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-1999-1099 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- kerberos-user-grab(65)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.