The byte-range filter in Apache 2.0 before 2.0.54 allows remote attackers to cause a denial of service (memory consumption) via an HTTP header with a large Range field.
Conclusion & alert: CVE-2005-2728 is rated Moderate Risk (59.4/100): CVSS Medium severity, with high exploitation likelihood (EPSS 61.79%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +30.00% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2026-03-04 | 31.80% | 61.79% | +30.00% |
| 2 | 2026-03-01 | 61.79% | 31.80% | -30.00% |
| 3 | 2026-02-04 | — | 61.79% | — |
Full EPSS history (47 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
|
medium | CVE-2005-2728 medium 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-2005-2728 |
gentoo
|
normal | CVE-2005-2728: 1 GLSA(s) (200508-15), 1 atom(s) (www-servers/apache); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2005-2728 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2005-2728 |
ubuntu
|
medium | CVE-2005-2728 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-2005-2728 |
Fixed in Apache HTTP Server 2.0.55: http://httpd.apache.org/security/vulnerabilities_20.html
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apache | http_server | 2.0 | cpe:2.3:a:apache:http_server:2.0:*:*:*:*:*:*:* |
| apache | http_server | 2.0.9 | cpe:2.3:a:apache:http_server:2.0.9:*:*:*:*:*:*:* |
| apache | http_server | 2.0.28 | cpe:2.3:a:apache:http_server:2.0.28:*:*:*:*:*:*:* |
| apache | http_server | 2.0.28 | cpe:2.3:a:apache:http_server:2.0.28:beta:*:*:*:*:*:* |
| apache | http_server | 2.0.32 | cpe:2.3:a:apache:http_server:2.0.32:*:*:*:*:*:*:* |
| apache | http_server | 2.0.35 | cpe:2.3:a:apache:http_server:2.0.35:*:*:*:*:*:*:* |
| apache | http_server | 2.0.36 | cpe:2.3:a:apache:http_server:2.0.36:*:*:*:*:*:*:* |
| apache | http_server | 2.0.37 | cpe:2.3:a:apache:http_server:2.0.37:*:*:*:*:*:*:* |
| apache | http_server | 2.0.38 | cpe:2.3:a:apache:http_server:2.0.38:*:*:*:*:*:*:* |
| apache | http_server | 2.0.39 | cpe:2.3:a:apache:http_server:2.0.39:*:*:*:*:*:*:* |
| apache | http_server | 2.0.40 | cpe:2.3:a:apache:http_server:2.0.40:*:*:*:*:*:*:* |
| apache | http_server | 2.0.41 | cpe:2.3:a:apache:http_server:2.0.41:*:*:*:*:*:*:* |
| apache | http_server | 2.0.42 | cpe:2.3:a:apache:http_server:2.0.42:*:*:*:*:*:*:* |
| apache | http_server | 2.0.43 | cpe:2.3:a:apache:http_server:2.0.43:*:*:*:*:*:*:* |
| apache | http_server | 2.0.44 | cpe:2.3:a:apache:http_server:2.0.44:*:*:*:*:*:*:* |
| apache | http_server | 2.0.45 | cpe:2.3:a:apache:http_server:2.0.45:*:*:*:*:*:*:* |
| apache | http_server | 2.0.46 | cpe:2.3:a:apache:http_server:2.0.46:*:*:*:*:*:*:* |
| apache | http_server | 2.0.47 | cpe:2.3:a:apache:http_server:2.0.47:*:*:*:*:*:*:* |
| apache | http_server | 2.0.48 | cpe:2.3:a:apache:http_server:2.0.48:*:*:*:*:*:*:* |
| apache | http_server | 2.0.49 | cpe:2.3:a:apache:http_server:2.0.49:*:*:*:*:*:*:* |
| apache | http_server | 2.0.50 | cpe:2.3:a:apache:http_server:2.0.50:*:*:*:*:*:*:* |
| apache | http_server | 2.0.51 | cpe:2.3:a:apache:http_server:2.0.51:*:*:*:*:*:*:* |
| apache | http_server | 2.0.52 | cpe:2.3:a:apache:http_server:2.0.52:*:*:*:*:*:*:* |
| apache | http_server | 2.0.53 | cpe:2.3:a:apache:http_server:2.0.53:*:*:*:*:*:*:* |