X server (Xsco) in OpenUNIX 8.0.0 and UnixWare 7.1.1 does not drop privileges before calling programs such as xkbcomp using popen, which could allow local users to gain privileges.
Conclusion & alert: CVE-2002-0987 is rated High Exploit Risk (61/100): CVSS High severity, with low exploitation likelihood (EPSS 0.71%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 21758 | exploit_db | edb | 2002-08-27 | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.40% | 0.71% | +0.31% |
| 2 | 2026-04-07 | 0.15% | 0.40% | +0.25% |
| 3 | 2025-03-30 | — | 0.15% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |