The handler code for backupninja 0.8 and earlier creates temporary files with predictable filenames, which allows local users to modify arbitrary files via a symlink attack.
Conclusion & alert: CVE-2005-3111 is rated Low Risk (15.7/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.08%). 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 | 2025-03-17 | 0.04% | 0.08% | +0.04% |
| 2 | 2023-03-07 | 0.95% | 0.04% | -0.91% |
| 3 | 2022-02-04 | — | 0.95% | — |
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 | priority | summary | link |
|---|---|---|---|
debian
|
medium | CVE-2005-3111 medium priority: Debian including 1 source packages (backupninja), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2005-3111 |
ubuntu
|
medium | CVE-2005-3111 medium priority: Ubuntu including 1 source packages (backupninja), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. | https://ubuntu.com/security/CVE-2005-3111 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| debian | backupninja | <= 0.8 | cpe:2.3:a:debian:backupninja:*:*:*:*:*:*:*:* |