CRLF injection vulnerability in viewcvs in ViewCVS 0.9.2 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via CRLF sequences in the content-type parameter.
Conclusion & alert: CVE-2005-4830 is rated High Exploit Risk (71.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.80%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-03-27 | 0.57% | 0.80% | +0.23% |
| 2 | 2025-03-17 | 0.68% | 0.57% | -0.11% |
| 3 | 2024-07-26 | — | 0.68% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.6 | 2.0 | HIGH |
|
4.9 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2005-4830 medium priority: Ubuntu including 2 source packages (viewcvs, viewvc), 18 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): DNE 8, released 6, ignored 3, needs-triage 1. | https://ubuntu.com/security/CVE-2005-4830 |