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Vulnerability details: VCID-pufp-t6dh-xqhv
Vulnerability ID VCID-pufp-t6dh-xqhv
Aliases CVE-2005-2700
Summary A flaw in the mod_ssl handling of the "SSLVerifyClient" directive. This flaw would occur if a virtual host has been configured using "SSLVerifyClient optional" and further a directive "SSLVerifyClient required" is set for a specific location. For servers configured in this fashion, an attacker may be able to access resources that should otherwise be protected, by not supplying a client certificate when connecting.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
Reference id Reference type URL
http://lists.trustix.org/pipermail/tsl-announce/2005-October/000354.html
http://marc.info/?l=apache-modssl&m=112569517603897&w=2
http://marc.info/?l=bugtraq&m=112604765028607&w=2
http://marc.info/?l=bugtraq&m=112870296926652&w=2
http://people.apache.org/~jorton/CAN-2005-2700.diff
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2005-2700.json
https://api.first.org/data/v1/epss?cve=CVE-2005-2700
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=167195
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2700
http://secunia.com/advisories/16700
http://secunia.com/advisories/16705
http://secunia.com/advisories/16714
http://secunia.com/advisories/16743
http://secunia.com/advisories/16746
http://secunia.com/advisories/16748
http://secunia.com/advisories/16753
http://secunia.com/advisories/16754
http://secunia.com/advisories/16769
http://secunia.com/advisories/16771
http://secunia.com/advisories/16789
http://secunia.com/advisories/16864
http://secunia.com/advisories/16956
http://secunia.com/advisories/17088
http://secunia.com/advisories/17288
http://secunia.com/advisories/17311
http://secunia.com/advisories/17813
http://secunia.com/advisories/19072
http://secunia.com/advisories/19073
http://secunia.com/advisories/21848
http://secunia.com/advisories/22523
https://lists.apache.org/thread.html/117bc3f09847ebf020b1bb70301ebcc105ddc446856150b63f37f8eb%40%3Cdev.httpd.apache.org%3E
https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/5b1e7d66c5adf286f14f6cc0f857b6fca107444f68aed9e70eedab47%40%3Cdev.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/r5001ecf3d6b2bdd0b732e527654248abb264f08390045d30709a92f6%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/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/rafd145ba6cd0a4ced113a5823cdaff45aeb36eb09855b216401c66d6%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%3A10416
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102197-1
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102198-1
http://support.avaya.com/elmodocs2/security/ASA-2006-081.htm
http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=3117
http://www.debian.org/security/2005/dsa-805
http://www.debian.org/security/2005/dsa-807
http://www.gentoo.org/security/en/glsa/glsa-200509-12.xml
http://www.kb.cert.org/vuls/id/744929
http://www.mandriva.com/security/advisories?name=MDKSA-2005:161
http://www.novell.com/linux/security/advisories/2005_51_apache2.html
http://www.novell.com/linux/security/advisories/2005_52_apache2.html
http://www.osvdb.org/19188
http://www.redhat.com/support/errata/RHSA-2005-608.html
http://www.redhat.com/support/errata/RHSA-2005-773.html
http://www.redhat.com/support/errata/RHSA-2005-816.html
http://www.securityfocus.com/bid/14721
http://www.ubuntu.com/usn/usn-177-1
http://www.vupen.com/english/advisories/2005/1625
http://www.vupen.com/english/advisories/2005/2659
http://www.vupen.com/english/advisories/2006/0789
http://www.vupen.com/english/advisories/2006/4207
1617741 https://bugzilla.redhat.com/show_bug.cgi?id=1617741
327210 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=327210
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:4.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:4.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:5.04:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:5.04:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:3.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:3.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:*
CVE-2005-2700 https://httpd.apache.org/security/json/CVE-2005-2700.json
CVE-2005-2700 https://nvd.nist.gov/vuln/detail/CVE-2005-2700
RHSA-2005:608 https://access.redhat.com/errata/RHSA-2005:608
RHSA-2005:773 https://access.redhat.com/errata/RHSA-2005:773
RHSA-2005:816 https://access.redhat.com/errata/RHSA-2005:816
RHSA-2005:882 https://access.redhat.com/errata/RHSA-2005:882
USN-177-1 https://usn.ubuntu.com/177-1/
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2005-2700
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete

Exploit Prediction Scoring System (EPSS)
Percentile 0.94544
EPSS Score 0.15081
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:36:13.258885+00:00 Apache HTTPD Importer Import https://httpd.apache.org/security/json/CVE-2005-2700.json 38.0.0