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CVE-2005-2700

44
FAUCET Score

CVE-2005-2700 describes a critical vulnerability in mod_ssl versions prior to 2.8.24, affecting Apache HTTP Server on various Linux distributions. This flaw allows remote attackers to bypass access restrictions by failing to properly enforce "SSLVerifyClient require" in per-location contexts when "SSLVerifyClient optional" is globally configured. With a CVSS score of 10.0, this vulnerability presents a severe risk, enabling complete compromise of confidentiality, integrity, and availability due to its network-based attack vector and low complexity. Despite its high severity and EPSS score, there is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.35, < 2.0.55CPE matchmatch criteria
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:3.0:*:*:*:*:*:*:*
3.1CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:*
4.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:4.10:*:*:*:*:*:*:*
5.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:5.04:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
30.58%
Probability of exploitation in next 30 days
EPSS Percentile
98.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.3058 is in the 97th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: httpd-0:2.0.46-46.3.ent
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: httpd-0:2.0.52-12.2.ent
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux AS (Advanced Server) version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux ES version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux WS version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux Advanced Workstation 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Stronghold 4
View patch
redhatpatch availablevia redhat_api
Product: Stronghold 4.0 for Red Hat Enterprise Linux AS (version 2.1)
View patch

Vendor Advisories (1)

redhatCVE-2005-2700Important

security flaw

Aug 30, 2005

References

lists.trustix.org / pipermail/tsl-announce/2005-October/000354.html
Broken Link
marc.info
Mailing ListThird Party Advisory
marc.info
Issue TrackingMailing ListThird Party Advisory
marc.info
Issue TrackingMailing ListThird Party Advisory
people.apache.org / ~jorton/CAN-2005-2700.diff
Vendor Advisory
bugzilla.redhat.com / bugzilla/show_bug.cgi
Issue TrackingThird Party Advisory
secunia.com / advisories/16700
Not Applicable
secunia.com / advisories/16705
Not Applicable
secunia.com / advisories/16714
Not Applicable
secunia.com / advisories/16743
Not Applicable
secunia.com / advisories/16746
Not Applicable
secunia.com / advisories/16748
Not Applicable
secunia.com / advisories/16753
Not Applicable
secunia.com / advisories/16754
Not Applicable
secunia.com / advisories/16769
Not Applicable
secunia.com / advisories/16771
Not Applicable
secunia.com / advisories/16789
Not Applicable
secunia.com / advisories/16864
Not Applicable
secunia.com / advisories/16956
Not Applicable
secunia.com / advisories/17088
Not Applicable
secunia.com / advisories/17288
Not Applicable
secunia.com / advisories/17311
Not Applicable
secunia.com / advisories/17813
Not Applicable
secunia.com / advisories/19072
Not Applicable
secunia.com / advisories/19073
Not Applicable
secunia.com / advisories/21848
Not Applicable
secunia.com / advisories/22523
Not Applicable
lists.apache.org / thread.html/117bc3f09847ebf020b1bb70301ebcc105ddc446856150b63f37f8eb%40%3Cdev.httpd.apache.org%3E
lists.apache.org / thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/5b1e7d66c5adf286f14f6cc0f857b6fca107444f68aed9e70eedab47%40%3Cdev.httpd.apache.org%3E
lists.apache.org / thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/r5001ecf3d6b2bdd0b732e527654248abb264f08390045d30709a92f6%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/r652fc951306cdeca5a276e2021a34878a76695a9f3cfb6490b4a6840%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/rafd145ba6cd0a4ced113a5823cdaff45aeb36eb09855b216401c66d6%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/reb542d2038e9c331506e0cbff881b47e40fbe2bd93ff00979e60cdf7%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
lists.opensuse.org / opensuse-security-announce/2006-09/msg00016.html
Mailing ListThird Party Advisory
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10416
Third Party Advisory
sunsolve.sun.com / search/document.do
Broken Link
sunsolve.sun.com / search/document.do
Broken Link
support.avaya.com / elmodocs2/security/ASA-2006-081.htm
Third Party Advisory
www14.software.ibm.com / webapp/set2/subscriptions/pqvcmjd
Broken Link
debian.org / security/2005/dsa-805
Third Party Advisory
debian.org / security/2005/dsa-807
Third Party Advisory
gentoo.org / security/en/glsa/glsa-200509-12.xml
Third Party Advisory
kb.cert.org / vuls/id/744929
Third Party AdvisoryUS Government Resource
mandriva.com / security/advisories
Broken Link
novell.com / linux/security/advisories/2005_51_apache2.html
Broken Link
novell.com / linux/security/advisories/2005_52_apache2.html
Broken Link
osvdb.org / 19188
Broken Link
redhat.com / support/errata/RHSA-2005-608.html
Third Party Advisory
redhat.com / support/errata/RHSA-2005-773.html
Third Party Advisory
redhat.com / support/errata/RHSA-2005-816.html
Third Party Advisory
securityfocus.com / bid/14721
Third Party AdvisoryVDB Entry
ubuntu.com / usn/usn-177-1
Third Party Advisory
vupen.com / english/advisories/2005/1625
Permissions Required
vupen.com / english/advisories/2005/2659
Permissions Required
vupen.com / english/advisories/2006/0789
Permissions Required
vupen.com / english/advisories/2006/4207
Permissions Required