mod_ssl in Apache 2.0 up to 2.0.55, when configured with an SSL vhost with access control…
Priority MEDIUM 45CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- High
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.24286 97th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 26
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:http_server:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.9:*:*:*:*:*:*:* | 2.0.9 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.28:*:*:*:*:*:*:* | 2.0.28 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.28:beta:*:*:*:*:*:* | 2.0.28 beta | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.32:*:*:*:*:*:*:* | 2.0.32 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.35:*:*:*:*:*:*:* | 2.0.35 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.36:*:*:*:*:*:*:* | 2.0.36 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.37:*:*:*:*:*:*:* | 2.0.37 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.38:*:*:*:*:*:*:* | 2.0.38 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.39:*:*:*:*:*:*:* | 2.0.39 | Vulnerable | Apache |
- cpe:2.3:a:apache:http_server:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.9:*:*:*:*:*:*:* Versions 2.0.9 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.28:*:*:*:*:*:*:* Versions 2.0.28 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.28:beta:*:*:*:*:*:* Versions 2.0.28 beta Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.32:*:*:*:*:*:*:* Versions 2.0.32 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.35:*:*:*:*:*:*:* Versions 2.0.35 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.36:*:*:*:*:*:*:* Versions 2.0.36 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.37:*:*:*:*:*:*:* Versions 2.0.37 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.38:*:*:*:*:*:*:* Versions 2.0.38 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.39:*:*:*:*:*:*:* Versions 2.0.39 Vulnerable ·Apache
Show 16 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:http_server:2.0.40:*:*:*:*:*:*:* | 2.0.40 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.41:*:*:*:*:*:*:* | 2.0.41 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.42:*:*:*:*:*:*:* | 2.0.42 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.43:*:*:*:*:*:*:* | 2.0.43 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.44:*:*:*:*:*:*:* | 2.0.44 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.45:*:*:*:*:*:*:* | 2.0.45 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.46:*:*:*:*:*:*:* | 2.0.46 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.47:*:*:*:*:*:*:* | 2.0.47 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.48:*:*:*:*:*:*:* | 2.0.48 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.49:*:*:*:*:*:*:* | 2.0.49 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.50:*:*:*:*:*:*:* | 2.0.50 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.51:*:*:*:*:*:*:* | 2.0.51 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.52:*:*:*:*:*:*:* | 2.0.52 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.53:*:*:*:*:*:*:* | 2.0.53 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.54:*:*:*:*:*:*:* | 2.0.54 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.55:*:*:*:*:*:*:* | 2.0.55 | Vulnerable | Apache |
- cpe:2.3:a:apache:http_server:2.0.40:*:*:*:*:*:*:* Versions 2.0.40 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.41:*:*:*:*:*:*:* Versions 2.0.41 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.42:*:*:*:*:*:*:* Versions 2.0.42 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.43:*:*:*:*:*:*:* Versions 2.0.43 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.44:*:*:*:*:*:*:* Versions 2.0.44 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.45:*:*:*:*:*:*:* Versions 2.0.45 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.46:*:*:*:*:*:*:* Versions 2.0.46 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.47:*:*:*:*:*:*:* Versions 2.0.47 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.48:*:*:*:*:*:*:* Versions 2.0.48 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.49:*:*:*:*:*:*:* Versions 2.0.49 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.50:*:*:*:*:*:*:* Versions 2.0.50 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.51:*:*:*:*:*:*:* Versions 2.0.51 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.52:*:*:*:*:*:*:* Versions 2.0.52 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.53:*:*:*:*:*:*:* Versions 2.0.53 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.54:*:*:*:*:*:*:* Versions 2.0.54 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.55:*:*:*:*:*:*:* Versions 2.0.55 Vulnerable ·Apache
Remediation
Red Hat 1 advisory
- RHSA-2006:0159 Released 2006-01-05 · Red Hat rating Moderatehttpd security update
- Red Hat Desktop version 3 httpd-2.0.46-56.ent, httpd-2.0.46-56.ent.i386, httpd-devel-2.0.46-56.ent +3
- Red Hat Enterprise Linux AS version 3 httpd-2.0.46-56.ent, httpd-2.0.46-56.ent.i386, httpd-2.0.46-56.ent.ia64 +9
- Red Hat Enterprise Linux AS version 4 httpd-2.0.52-22.ent, httpd-2.0.52-22.ent.i386, httpd-2.0.52-22.ent.ia64 +17
- Red Hat Enterprise Linux Desktop version 4 httpd-2.0.52-22.ent, httpd-2.0.52-22.ent.i386, httpd-devel-2.0.52-22.ent +7
- Red Hat Enterprise Linux ES version 3 httpd-2.0.46-56.ent, httpd-2.0.46-56.ent.i386, httpd-2.0.46-56.ent.ia64 +6
- Red Hat Enterprise Linux ES version 4 httpd-2.0.52-22.ent, httpd-2.0.52-22.ent.i386, httpd-2.0.52-22.ent.ia64 +12
- Red Hat Enterprise Linux WS version 3 httpd-2.0.46-56.ent, httpd-2.0.46-56.ent.i386, httpd-2.0.46-56.ent.ia64 +6
- Red Hat Enterprise Linux WS version 4 httpd-2.0.52-22.ent, httpd-2.0.52-22.ent.i386, httpd-2.0.52-22.ent.ia64 +12
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 | Fixed | RHSA-2006:0159 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2006:0159 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2006:0159 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2006:0159 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2006:0159 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2006:0159 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2006:0159 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2006:0159 |
Timeline
- 2026-10-02 Threatist record created from CVE-2005-3357
- 2026-10-03 Alias added: GHSA-6c36-v393-c32c
References
Advisory 16
Other 22
- ADV-2006-3920
- http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=3117
- http://support.avaya.com/elmodocs2/security/ASA-2006-250.htm
- http://svn.apache.org/viewcvs?rev=358026&view=rev
- oval:org.mitre.oval:def:11467
- http://issues.apache.org/bugzilla/show_bug.cgi?id=37791
- [httpd-cvs] 20190815 svn commit: r1048742 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20190815 svn commit: r1048743 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20200401 svn commit: r1058586 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20200401 svn commit: r1058587 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/
- [httpd-cvs] 20210330 svn commit: r1888194 [4/13] - /httpd/site/trunk/content/security/json/
- [httpd-cvs] 20210330 svn commit: r1073140 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210330 svn commit: r1073143 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/
- [httpd-cvs] 20210330 svn commit: r1073139 [4/13] - in /websites/staging/httpd/trunk/content: ./ security/json/
- [httpd-cvs] 20210330 svn commit: r1073149 [5/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/
- [httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/
- [httpd-cvs] 20210603 svn commit: r1075360 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210603 svn commit: r1075360 [1/3] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210606 svn commit: r1075467 [2/2] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210606 svn commit: r1075467 [1/2] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210606 svn commit: r1075470 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
More Apache Http Server vulnerabilities
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Sources
- CVE-2005-3357 · CVE Program
- CVE-2005-3357 · NVD
- FIRST EPSS
- GHSA-6c36-v393-c32c · GitHub Advisory Database · CC BY 4.0
- CVE-2005-3357 · Red Hat security data · CC BY 4.0
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