Apache webserver 2.0.52 and earlier allows remote attackers to cause a denial of service (CPU consumption) via an HTTP GET request with a MIME header containing multiple lines with a large number of space characters.
Conclusion & alert: CVE-2004-0942 is rated High Exploit Risk (72/100): CVSS Medium severity, with high exploitation likelihood (EPSS 79.22%, 99th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.29% over the last day, indicating growing attacker interest. 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 |
|---|---|---|---|---|
| 855 | exploit_db | edb | 2005-03-04 | 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 | 2026-05-17 | 76.94% | 79.22% | +2.29% |
| 2 | 2026-05-13 | 79.22% | 76.94% | -2.29% |
| 3 | 2025-12-28 | — | 79.22% | — |
Full EPSS history (18 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-2004-0942 not yet assigned priority: Debian including 1 source packages (apache2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2004-0942 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2004-0942 |
ubuntu
|
medium | CVE-2004-0942 medium priority: Ubuntu including 1 source packages (apache2), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. | https://ubuntu.com/security/CVE-2004-0942 |
Fixed in Apache HTTP Server 2.0.53: http://httpd.apache.org/security/vulnerabilities_20.html
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apache | http_server | <= 2.0.52 | cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* |