Security readout for executives and security teams
This is an old Digital OpenVMS login vulnerability. Systems running OpenVMS 7.1 or earlier may allow unauthorized access when external authentication is enabled. The business risk is highest where legacy OpenVMS systems still protect critical operations or sensitive data. Exposure is likely limited to legacy Digital OpenVMS 7.1 and earlier systems that have external authentication enabled. Organizations without OpenVMS, or with later versions, are unlikely to be affected based on the provided sources. Treat as a legacy-platform access-control risk. It should be prioritized if OpenVMS supports business-critical operations, regulated data, or remote administrative access. Otherwise, handle through legacy asset review and retirement planning. Mitigation focus: Inventory OpenVMS systems and identify versions 7.1 or earlier.; Determine whether external authentication is enabled on those systems.; Review Digital/Compaq/HP OpenVMS and CIAC guidance for corrective action..
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-1999-1558 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
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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
Products and packages named in the record
CWE details
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