rsync before 2.6.1 does not properly sanitize paths when running a read/write daemon without using chroot, which allows remote attackers to write files outside of the module's path.
Conclusion & alert: CVE-2004-0426 is rated Moderate Risk (51.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.45%). Core evidence: EPSS rose +1.01% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
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 | 2026-01-03 | 2.43% | 3.45% | +1.01% |
| 2 | 2025-07-13 | 2.01% | 2.43% | +0.43% |
| 3 | 2025-03-30 | — | 2.01% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2004-0426 not yet assigned priority: Debian including 1 source packages (rsync), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2004-0426 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2004-0426 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| andrew_tridgell | rsync | <= 2.6 | cpe:2.3:a:andrew_tridgell:rsync:*:*:*:*:*:*:*:* |