Apache 2 before 2.0.47, when running on an IPv6 host, allows attackers to cause a denial…
Priority LOW 35Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Apache 2 before 2.0.47, when running on an IPv6 host, allows attackers to cause a denial of service (CPU consumption by infinite loop) when the FTP proxy server fails to create an IPv6 socket.
Why it matters now
EPSS 0.09185 95th 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 · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:http_server:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.28:*:*:*:*:*:*:* | 2.0.28 | 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:2.0.40:*:*:*:*:*:*:* | 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:*:*:*:*:*:*:* Versions 2.0 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:2.0.32:*:*:*:*:*:*:* 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
- 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
Show 5 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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:2.0.42:*:*:*:*:*:*:* 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
Remediation
Red Hat 1 advisory
- RHSA-2003:240 Released 2003-09-04 · Red Hat rating Moderate: Updated httpd packages fix Apache security vulnerabilities
- Red Hat Linux 8.0
- Red Hat Linux 9
Vendor assessments
Red Hat
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Linux 8.0 | Fixed | RHSA-2003:240 |
| Red Hat Linux 9 | Fixed | RHSA-2003:240 |
Timeline
- 2026-10-02 Threatist record created from CVE-2003-0254
- 2026-10-03 Alias added: GHSA-mq68-g7rr-6m25
References
Patch 1
Advisory 1
Other 14
- oval:org.mitre.oval:def:183
- 20030709 [ANNOUNCE][SECURITY] Apache 2.0.47 released
- [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: r1073139 [2/13] - in /websites/staging/httpd/trunk/content: ./ security/json/
- [httpd-cvs] 20210330 svn commit: r1888194 [2/13] - /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: r1073149 [3/13] - 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] 20210606 svn commit: r1075470 [2/4] - 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
- TI-2021-18535 Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) KEVCVSS 3.1CRITICAL 9.8
- TI-2021-18417 Path traversal and file disclosure vulnerability in Apache HTTP Server 2.4.49 KEVCVSS 3.1CRITICAL 9.8
- TI-2024-25716 Apache HTTP Server weakness in mod_rewrite when first segment of substitution matches filesystem path. KEVCVSS 3.1CRITICAL 9.1
- TI-2021-17490 mod_proxy SSRF KEVCVSS 3.1CRITICAL 9.0
- TI-2019-00184 Use after free in Apache HTTP Server KEVCVSS 3.1HIGH 7.8
- TI-2009-03392 The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2003-0254 · CVE Program
- CVE-2003-0254 · NVD
- FIRST EPSS
- GHSA-mq68-g7rr-6m25 · GitHub Advisory Database · CC BY 4.0
- CVE-2003-0254 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences