Security readout for executives and security teams
This is an old Apache HTTP Server flaw where a local user could abuse .htaccess environment-variable handling to make Apache overflow memory and gain the web-server account’s privileges. It matters mainly for legacy Apache 2.0.50 or earlier systems that still allow local or hosted users to write .htaccess files. Exposure is most plausible on obsolete Apache 2.0.50 or earlier deployments, especially shared-hosting or multi-user servers where untrusted local users can create or edit .htaccess files. The bundle’s affected CPE data is incomplete, so confirm package names and backported fixes with vendor advisories. Treat this as a legacy-system cleanup item with high impact if present. It is not indicated as actively exploited in the supplied sources, but any remaining Apache 2.0.50-era server is operationally risky and should be upgraded or retired promptly. Mitigation focus: Identify any Apache 2.0.50 or earlier installations.; Apply the relevant vendor Apache/httpd security update or supported replacement package.; Retire unsupported Apache 2.0.x systems where vendor updates are unavailable..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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CWE-131: Exact CWE lookup
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Open ATT&CK lookupCVE-2004-0747 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- apache-env-configuration-bo(17384)CVE reference · vdb-entry, x_refsource_XF
- oval:org.mitre.oval:def:11561CVE reference · vdb-entry, signature
- [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.htmlCVE reference · mailing-list, x_refsource_MLIST
- [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.htmlCVE reference · mailing-list, x_refsource_MLIST
- [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.htmlCVE reference · mailing-list, x_refsource_MLIST
- [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.htmlCVE reference · mailing-list, x_refsource_MLIST
- [httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE reference · mailing-list, x_refsource_MLIST
- [httpd-cvs] 20210330 svn commit: r1073139 [3/13] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE reference · mailing-list, x_refsource_MLIST
- [httpd-cvs] 20210330 svn commit: r1888194 [3/13] - /httpd/site/trunk/content/security/json/CVE reference · mailing-list, x_refsource_MLIST
- [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.htmlCVE reference · mailing-list, x_refsource_MLIST
- [httpd-cvs] 20210330 svn commit: r1073143 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/CVE reference · mailing-list, x_refsource_MLIST
- [httpd-cvs] 20210330 svn commit: r1073149 [4/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/CVE reference · mailing-list, x_refsource_MLIST
- [httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/CVE reference · mailing-list, x_refsource_MLIST
- [httpd-cvs] 20210422 svn commit: r1074079 [2/3] - in /websites/staging/httpd/trunk/content: ./ apreq/ contribute/ contributors/ dev/ docs-project/ docs/ info/ mod_fcgid/ mod_ftp/ mod_mbox/ mod_smtpd/ modules/ security/ test/ test/flood/CVE reference · mailing-list, x_refsource_MLIST
- [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.htmlCVE reference · mailing-list, x_refsource_MLIST
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Incorrect Calculation of Buffer Size
Incorrect Calculation of Buffer Size represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.