CVE-2007-6750

The Apache HTTP Server 1.x and 2.x allows remote attackers to cause a denial of service (daemon outage) via partial HTTP requests, as demonstrated by Slowloris, related to the lack of the mod_reqtimeout module in versions before 2.2.15.

Published: 2011-12-27 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-6750 is rated Moderate Risk (53.9/100): CVSS Medium severity, with high exploitation likelihood (EPSS 81.73%, 99th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. 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.

Exploit prediction scoring system (EPSS) score for CVE-2007-6750

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 2026-04-15 82.53% 81.73% -0.80%
2 2026-03-04 82.59% 82.53% -0.06%
3 2026-03-01 — 82.59% —

Full EPSS history (42 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-6750

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2007-6750

OS Trackers for CVE-2007-6750

vendor priority summary link
debian medium CVE-2007-6750 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-2007-6750
gentoo normal CVE-2007-6750: 1 GLSA(s) (201309-12), 1 atom(s) (www-servers/apache); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-6750
redhat low — https://access.redhat.com/security/cve/CVE-2007-6750
ubuntu medium CVE-2007-6750 medium priority: Ubuntu including 1 source packages (apache2), 6 status rows across 6 suites (hardy, lucid, maverick, natty, oneiric, upstream): not-affected 4, ignored 1, released 1. https://ubuntu.com/security/CVE-2007-6750

Affected software / configurations for CVE-2007-6750

Vendor Product Version Raw CPE
apache http_server <= 2.2.14 cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
apache http_server 1.0 cpe:2.3:a:apache:http_server:1.0:*:*:*:*:*:*:*
apache http_server 1.0.2 cpe:2.3:a:apache:http_server:1.0.2:*:*:*:*:*:*:*
apache http_server 1.0.3 cpe:2.3:a:apache:http_server:1.0.3:*:*:*:*:*:*:*
apache http_server 1.0.5 cpe:2.3:a:apache:http_server:1.0.5:*:*:*:*:*:*:*
apache http_server 1.1 cpe:2.3:a:apache:http_server:1.1:*:*:*:*:*:*:*
apache http_server 1.1.1 cpe:2.3:a:apache:http_server:1.1.1:*:*:*:*:*:*:*
apache http_server 1.2 cpe:2.3:a:apache:http_server:1.2:*:*:*:*:*:*:*
apache http_server 1.2.4 cpe:2.3:a:apache:http_server:1.2.4:*:*:*:*:*:*:*
apache http_server 1.2.5 cpe:2.3:a:apache:http_server:1.2.5:*:*:*:*:*:*:*
apache http_server 1.2.6 cpe:2.3:a:apache:http_server:1.2.6:*:*:*:*:*:*:*
apache http_server 1.2.9 cpe:2.3:a:apache:http_server:1.2.9:*:*:*:*:*:*:*
apache http_server 1.3 cpe:2.3:a:apache:http_server:1.3:*:*:*:*:*:*:*
apache http_server 1.3.0 cpe:2.3:a:apache:http_server:1.3.0:*:*:*:*:*:*:*
apache http_server 1.3.1 cpe:2.3:a:apache:http_server:1.3.1:*:*:*:*:*:*:*
apache http_server 1.3.1.1 cpe:2.3:a:apache:http_server:1.3.1.1:*:*:*:*:*:*:*
apache http_server 1.3.2 cpe:2.3:a:apache:http_server:1.3.2:*:*:*:*:*:*:*
apache http_server 1.3.3 cpe:2.3:a:apache:http_server:1.3.3:*:*:*:*:*:*:*
apache http_server 1.3.4 cpe:2.3:a:apache:http_server:1.3.4:*:*:*:*:*:*:*
apache http_server 1.3.5 cpe:2.3:a:apache:http_server:1.3.5:*:*:*:*:*:*:*
apache http_server 1.3.6 cpe:2.3:a:apache:http_server:1.3.6:*:*:*:*:*:*:*
apache http_server 1.3.7 cpe:2.3:a:apache:http_server:1.3.7:*:*:*:*:*:*:*
apache http_server 1.3.8 cpe:2.3:a:apache:http_server:1.3.8:*:*:*:*:*:*:*
apache http_server 1.3.9 cpe:2.3:a:apache:http_server:1.3.9:*:*:*:*:*:*:*
apache http_server 1.3.10 cpe:2.3:a:apache:http_server:1.3.10:*:*:*:*:*:*:*
apache http_server 1.3.11 cpe:2.3:a:apache:http_server:1.3.11:*:*:*:*:*:*:*
apache http_server 1.3.12 cpe:2.3:a:apache:http_server:1.3.12:*:*:*:*:*:*:*
apache http_server 1.3.13 cpe:2.3:a:apache:http_server:1.3.13:*:*:*:*:*:*:*
apache http_server 1.3.14 cpe:2.3:a:apache:http_server:1.3.14:*:*:*:*:*:*:*
apache http_server 1.3.15 cpe:2.3:a:apache:http_server:1.3.15:*:*:*:*:*:*:*
apache http_server 1.3.16 cpe:2.3:a:apache:http_server:1.3.16:*:*:*:*:*:*:*
apache http_server 1.3.17 cpe:2.3:a:apache:http_server:1.3.17:*:*:*:*:*:*:*
apache http_server 1.3.18 cpe:2.3:a:apache:http_server:1.3.18:*:*:*:*:*:*:*
apache http_server 1.3.19 cpe:2.3:a:apache:http_server:1.3.19:*:*:*:*:*:*:*
apache http_server 1.3.20 cpe:2.3:a:apache:http_server:1.3.20:*:*:*:*:*:*:*
apache http_server 1.3.22 cpe:2.3:a:apache:http_server:1.3.22:*:*:*:*:*:*:*
apache http_server 1.3.23 cpe:2.3:a:apache:http_server:1.3.23:*:*:*:*:*:*:*
apache http_server 1.3.24 cpe:2.3:a:apache:http_server:1.3.24:*:*:*:*:*:*:*
apache http_server 1.3.25 cpe:2.3:a:apache:http_server:1.3.25:*:*:*:*:*:*:*
apache http_server 1.3.26 cpe:2.3:a:apache:http_server:1.3.26:*:*:*:*:*:*:*
apache http_server 1.3.27 cpe:2.3:a:apache:http_server:1.3.27:*:*:*:*:*:*:*
apache http_server 1.3.28 cpe:2.3:a:apache:http_server:1.3.28:*:*:*:*:*:*:*
apache http_server 1.3.29 cpe:2.3:a:apache:http_server:1.3.29:*:*:*:*:*:*:*
apache http_server 1.3.30 cpe:2.3:a:apache:http_server:1.3.30:*:*:*:*:*:*:*
apache http_server 1.3.31 cpe:2.3:a:apache:http_server:1.3.31:*:*:*:*:*:*:*
apache http_server 1.3.32 cpe:2.3:a:apache:http_server:1.3.32:*:*:*:*:*:*:*
apache http_server 1.3.33 cpe:2.3:a:apache:http_server:1.3.33:*:*:*:*:*:*:*
apache http_server 1.3.34 cpe:2.3:a:apache:http_server:1.3.34:*:*:*:*:*:*:*
apache http_server 1.3.35 cpe:2.3:a:apache:http_server:1.3.35:*:*:*:*:*:*:*
apache http_server 1.3.36 cpe:2.3:a:apache:http_server:1.3.36:*:*:*:*:*:*:*
apache http_server 1.3.37 cpe:2.3:a:apache:http_server:1.3.37:*:*:*:*:*:*:*
apache http_server 1.3.38 cpe:2.3:a:apache:http_server:1.3.38:*:*:*:*:*:*:*
apache http_server 1.3.39 cpe:2.3:a:apache:http_server:1.3.39:*:*:*:*:*:*:*
apache http_server 1.3.41 cpe:2.3:a:apache:http_server:1.3.41:*:*:*:*:*:*:*
apache http_server 1.3.42 cpe:2.3:a:apache:http_server:1.3.42:*:*:*:*:*:*:*
apache http_server 1.3.65 cpe:2.3:a:apache:http_server:1.3.65:*:*:*:*:*:*:*
apache http_server 1.3.68 cpe:2.3:a:apache:http_server:1.3.68:*:*:*:*:*:*:*
apache http_server 1.4.0 cpe:2.3:a:apache:http_server:1.4.0:*:*:*:*:*:*:*
apache http_server 1.99 cpe:2.3:a:apache:http_server:1.99:*:*:*:*:*:*:*
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 2.0.32 cpe:2.3:a:apache:http_server:2.0.32:beta:*:*:*:*:*:*
apache http_server 2.0.34 cpe:2.3:a:apache:http_server:2.0.34:beta:*:*:*:*:*:*
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:*:*:*:*:*:*:*

References for CVE-2007-6750

cvelogic Threat Intelligence