Security readout for executives and security teams
Plain-English summary
CVE-2002-0987 is a local privilege escalation issue in the X server on OpenUNIX 8.0.0 and UnixWare 7.1.1. A local user could potentially gain higher privileges because the X server did not drop privileges before launching helper programs. Business urgency depends on whether these legacy systems still exist in production.
Executive priority
Treat as important if these legacy Unix systems remain in use. The issue requires local access, but successful exploitation could raise privileges. Prioritize inventory, access restriction, isolation, and replacement planning.
Technical view
The Xsco X server uses popen to call programs such as xkbcomp without first dropping elevated privileges. On OpenUNIX 8.0.0 and UnixWare 7.1.1, this could allow local users to gain privileges. The provided sources do not include CVSS, CWE, vendor advisory details, or a named patch.
Likely exposure
Exposure is likely limited to legacy OpenUNIX 8.0.0 and UnixWare 7.1.1 systems running the Xsco X server, especially with local shell or desktop users.
Exploitation context
The provided sources state local privilege gain is possible. They do not show public exploit status, active exploitation, or CISA KEV listing.
Researcher notes
Source data is sparse. The CVE record names affected versions and the privilege-dropping flaw, but provides no CVSS, CWE, references, exploit confirmation, or remediation details. Avoid assuming broader SCO, UnixWare, or X server exposure beyond the named products and versions.
Mitigation direction
- Inventory OpenUNIX 8.0.0 and UnixWare 7.1.1 systems.
- Confirm whether the Xsco X server is installed or used.
- Check original vendor or maintainer guidance for patches or configuration mitigations.
- Restrict local user access on affected systems.
- Prioritize retirement or isolation of unsupported legacy hosts.
Validation and detection
- Identify hosts running OpenUNIX 8.0.0 or UnixWare 7.1.1.
- Verify Xsco X server presence and usage.
- Review local user access to affected hosts.
- Check change records for vendor patches or compensating controls.
- Document unsupported systems requiring isolation or replacement.
Public sources used
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2002-0987 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
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
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.