CVE-2005-3357

mod_ssl in Apache 2.0 up to 2.0.55, when configured with an SSL vhost with access control and a custom error 400 error page, allows remote attackers to cause a denial of service (application crash) via a non-SSL request to an SSL port, which triggers a NULL pointer dereference.

Published: 2005-12-31 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-3357 is rated Moderate Risk (50.7/100): CVSS Medium severity, with high exploitation likelihood (EPSS 23.77%, 98th 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-2005-3357

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 2026-06-15 43.46% 23.77% -19.69%
2 2026-03-04 28.73% 43.46% +14.74%
3 2026-03-01 — 28.73% —

Full EPSS history (43 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-3357

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.4 2.0 MEDIUM
AV:N/AC:H/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 4.9 6.9 [email protected]

Weakness enumeration for CVE-2005-3357

OS Trackers for CVE-2005-3357

vendor priority summary link
debian low CVE-2005-3357 low 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-2005-3357
gentoo normal CVE-2005-3357: 1 GLSA(s) (200602-03), 1 atom(s) (www-servers/apache); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2005-3357
redhat low — https://access.redhat.com/security/cve/CVE-2005-3357
suse medium CVE-2005-3357 severity moderate: SUSE including 8 source package names (apache2-2.4.49-1.1, apache2-2.4.63-160000.2.2, …), 8 product×package rows across 2 product lines (SUSE Linux Enterprise Server 16.0, openSUSE Tumbleweed): Fixed 8. https://www.suse.com/security/cve/CVE-2005-3357/
ubuntu medium CVE-2005-3357 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-2005-3357

Vendor comments (NVD) for CVE-2005-3357

  • Apache (2008-07-02T00:00:00)

    Fixed in Apache HTTP Server 2.2.2 and 2.0.58 http://httpd.apache.org/security/vulnerabilities_22.html http://httpd.apache.org/security/vulnerabilities_20.html

Affected software / configurations for CVE-2005-3357

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:*:*:*:*:*:*:*
apache http_server 2.0.54 cpe:2.3:a:apache:http_server:2.0.54:*:*:*:*:*:*:*
apache http_server 2.0.55 cpe:2.3:a:apache:http_server:2.0.55:*:*:*:*:*:*:*

References for CVE-2005-3357

URL Tags
ftp://patches.sgi.com/support/free/security/advisories/20060101-01-U
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01428449
http://issues.apache.org/bugzilla/show_bug.cgi?id=37791
http://lists.apple.com/archives/security-announce/2008//May/msg00001.html
http://lists.suse.de/archive/suse-security-announce/2006-Feb/0008.html Vendor Advisory
http://marc.info/?l=bugtraq&m=130497311408250&w=2
http://rhn.redhat.com/errata/RHSA-2006-0159.html Patch Vendor Advisory
http://secunia.com/advisories/18307 Patch Vendor Advisory
http://secunia.com/advisories/18333 Patch Vendor Advisory
http://secunia.com/advisories/18339 Patch Vendor Advisory
http://secunia.com/advisories/18340 Patch Vendor Advisory
http://secunia.com/advisories/18429 Patch Vendor Advisory
http://secunia.com/advisories/18517 Patch Vendor Advisory
http://secunia.com/advisories/18585 Patch Vendor Advisory
http://secunia.com/advisories/18743 Patch Vendor Advisory
http://secunia.com/advisories/19012 Vendor Advisory
http://secunia.com/advisories/21848 Vendor Advisory
http://secunia.com/advisories/22233 Vendor Advisory
http://secunia.com/advisories/22368 Vendor Advisory
http://secunia.com/advisories/22523 Vendor Advisory
http://secunia.com/advisories/22669 Vendor Advisory
http://secunia.com/advisories/22992 Vendor Advisory
http://secunia.com/advisories/23260 Vendor Advisory
http://secunia.com/advisories/29849 Vendor Advisory
http://secunia.com/advisories/30430 Vendor Advisory
http://securitytracker.com/id?1015447
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102640-1
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102662-1
http://support.avaya.com/elmodocs2/security/ASA-2006-250.htm
http://svn.apache.org/viewcvs?rev=358026&view=rev
http://www.gentoo.org/security/en/glsa/glsa-200602-03.xml Patch Vendor Advisory
http://www.redhat.com/archives/fedora-announce-list/2006-January/msg00060.html Patch
http://www.securityfocus.com/archive/1/425399/100/0/threaded
http://www.securityfocus.com/archive/1/445206/100/0/threaded
http://www.securityfocus.com/archive/1/450315/100/0/threaded
http://www.securityfocus.com/bid/16152
http://www.trustix.org/errata/2005/0074/ Patch Vendor Advisory
http://www.ubuntulinux.org/usn/usn-241-1
http://www.us-cert.gov/cas/techalerts/TA08-150A.html US Government Resource
http://www.vupen.com/english/advisories/2006/0056 Vendor Advisory
http://www.vupen.com/english/advisories/2006/3920
http://www.vupen.com/english/advisories/2006/3995 Vendor Advisory
http://www.vupen.com/english/advisories/2006/4207 Vendor Advisory
http://www.vupen.com/english/advisories/2006/4300 Vendor Advisory
http://www.vupen.com/english/advisories/2006/4868 Vendor Advisory
http://www.vupen.com/english/advisories/2008/1246/references Vendor Advisory
http://www.vupen.com/english/advisories/2008/1697 Vendor Advisory
http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=3117
https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r652fc951306cdeca5a276e2021a34878a76695a9f3cfb6490b4a6840%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rafd145ba6cd0a4ced113a5823cdaff45aeb36eb09855b216401c66d6%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rb9c9f42dafa25d2f669dac2a536a03f2575bc5ec1be6f480618aee10%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/reb542d2038e9c331506e0cbff881b47e40fbe2bd93ff00979e60cdf7%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
https://lists.opensuse.org/opensuse-security-announce/2006-09/msg00016.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11467
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