Race condition in Core Utilities (coreutils) 5.2.1, when (1) mkdir, (2) mknod, or (3) mkfifo is running with the -m switch, allows local users to modify permissions of other files.
Conclusion & alert: CVE-2005-1039 is rated Low Risk (20.8/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.06%). 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 | 2026-03-05 | 0.04% | 0.06% | +0.01% |
| 2 | 2023-03-07 | 0.89% | 0.04% | -0.84% |
| 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 |
|---|---|---|---|---|---|---|
| 3.7 | 2.0 | LOW |
|
1.9 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2005-1039 unimportant priority: Debian including 1 source packages (coreutils), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2005-1039 |
ubuntu
|
medium | CVE-2005-1039 medium priority: Ubuntu including 1 source packages (coreutils), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 2, ignored 1, needs-triage 1. | https://ubuntu.com/security/CVE-2005-1039 |