The (1) fixps (aka fixps.in) and (2) psmandup (aka psmandup.in) scripts in a2ps before 4.13 allow local users to overwrite arbitrary files via a symlink attack on temporary files.
Conclusion & alert: CVE-2004-1377 is rated Low Risk (18.4/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.36%). 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 | 2026-06-15 | 0.07% | 0.36% | +0.29% |
| 2 | 2025-03-17 | 0.04% | 0.07% | +0.03% |
| 3 | 2023-03-07 | — | 0.04% | — |
Full EPSS history (4 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
|
not yet assigned | CVE-2004-1377 not yet assigned 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-2004-1377 |
gentoo
|
normal | CVE-2004-1377: 1 GLSA(s) (200501-02), 1 atom(s) (app-text/a2ps); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2004-1377 |
redhat
|
— | — | https://access.redhat.com/security/cve/CVE-2004-1377 |
ubuntu
|
medium | CVE-2004-1377 medium priority: Ubuntu including 1 source packages (a2ps), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. | https://ubuntu.com/security/CVE-2004-1377 |
Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| gnu | a2ps | 4.13 | cpe:2.3:a:gnu:a2ps:4.13:*:*:*:*:*:*:* |
| gnu | a2ps | 4.13b | cpe:2.3:a:gnu:a2ps:4.13b:*:*:*:*:*:*:* |
| turbolinux | turbolinux_home | — | cpe:2.3:o:turbolinux:turbolinux_home:*:*:*:*:*:*:*:* |
| turbolinux | turbolinux_server | 7.0 | cpe:2.3:o:turbolinux:turbolinux_server:7.0:*:*:*:*:*:*:* |
| turbolinux | turbolinux_server | 8.0 | cpe:2.3:o:turbolinux:turbolinux_server:8.0:*:*:*:*:*:*:* |
| turbolinux | turbolinux_workstation | 7.0 | cpe:2.3:o:turbolinux:turbolinux_workstation:7.0:*:*:*:*:*:*:* |
| turbolinux | turbolinux_workstation | 8.0 | cpe:2.3:o:turbolinux:turbolinux_workstation:8.0:*:*:*:*:*:*:* |