Corel Word Perfect 8 for Linux creates a temporary working directory with world-writable permissions, which allows local users to (1) modify Word Perfect behavior by modifying files in the working directory, or (2) modify files of other users via a symlink attack.
Conclusion & alert: CVE-1999-1173 is rated Low Risk (34.7/100): CVSS Low severity, with medium exploitation likelihood (EPSS 1.52%). Core evidence: EPSS rose +1.42% over the last day, indicating growing attacker interest. Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 0.10% | 1.52% | +1.42% |
| 2 | 2023-03-07 | 0.89% | 0.10% | -0.78% |
| 3 | 2022-02-04 | — | 0.89% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| corel | wordperfect | 8 | cpe:2.3:a:corel:wordperfect:8:*:linux:*:*:*:*:* |