The tempname_ensure function in lib/routines.h in a2ps 4.14 and earlier, as used by the spy_user function and possibly other functions, allows local users to modify arbitrary files via a symlink attack on a temporary file.
Conclusion & alert: CVE-2001-1593 is rated Low Risk (19.8/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.12%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.
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 | 2025-07-18 | 0.18% | 0.12% | -0.06% |
| 2 | 2025-03-30 | 3.58% | 0.18% | -3.40% |
| 3 | 2025-03-29 | — | 3.58% | — |
Full EPSS history (6 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 | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2001-1593 low priority: Debian including 1 source packages (a2ps), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2001-1593 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2001-1593 |
ubuntu
|
low | CVE-2001-1593 low priority: Ubuntu including 1 source packages (a2ps), 6 status rows across 6 suites (lucid, precise, trusty, upstream, utopic, vivid): not-affected 2, DNE 1, ignored 1, needs-triage 1, released 1. | https://ubuntu.com/security/CVE-2001-1593 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| gnu | a2ps | <= 4.14 | cpe:2.3:a:gnu:a2ps:*:*:*:*:*:*:*:* |
| gnu | a2ps | 4.10.3 | cpe:2.3:a:gnu:a2ps:4.10.3:*:*:*:*:*:*:* |
| gnu | a2ps | 4.10.4 | cpe:2.3:a:gnu:a2ps:4.10.4:*:*:*:*:*:*:* |
| gnu | a2ps | 4.12 | cpe:2.3:a:gnu:a2ps:4.12:*:*:*:*:*:*:* |
| gnu | a2ps | 4.13 | cpe:2.3:a:gnu:a2ps:4.13:*:*:*:*:*:*:* |
| gnu | a2ps | 4.13b | cpe:2.3:a:gnu:a2ps:4.13b:*:*:*:*:*:*:* |