Security readout for executives and security teams
This is a legacy local privilege-risk issue in SGI O2 IRIX 6.3 utilities. The reported problem is improper handling of the IFS environment variable before system calls, allowing a local user to run arbitrary commands. Business urgency depends on whether any IRIX 6.3 systems still exist in production, labs, or embedded operational environments. Exposure is likely limited to organizations still running SGI O2 IRIX 6.3 with the ipxchk or ipxlink utilities installed and reachable by local users. Modern environments are unlikely to be affected unless they retain legacy SGI systems. Treat this as a legacy exposure question. It is not a broad modern internet-facing emergency based on the provided evidence, but any remaining unsupported IRIX host with local users should be prioritized for isolation, retirement, or verified remediation. Mitigation focus: Inventory any SGI O2 IRIX 6.3 systems still in service.; Check archived SGI or vendor guidance for official fixes or workarounds.; Limit local shell access to affected IRIX hosts..
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-1999-1501 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.