In Apache HTTP Server 2.4 releases 2.4.37 and 2.4.38, a bug in mod_ssl when using…
Priority MEDIUM 45Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.
Summary
In Apache HTTP Server 2.4 releases 2.4.37 and 2.4.38, a bug in mod_ssl when using per-location client certificate verification with TLSv1.3 allowed a client to bypass configured access control restrictions.
Why it matters now
EPSS 0.10366 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 |
|---|---|---|---|---|---|
| Apache | Apache HTTP Server | 2.4.37; 2.4.38 | — | No fix listed | CNA |
- Apache HTTP Server VendorApache Affected 2.4.37; 2.4.38 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:http_server:2.4.37:*:*:*:*:*:*:* | 2.4.37 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.4.38:*:*:*:*:*:*:* | 2.4.38 | Vulnerable | Apache |
| cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* | 29 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* | 30 | Vulnerable | Fedoraproject |
- cpe:2.3:a:apache:http_server:2.4.37:*:*:*:*:*:*:* Versions 2.4.37 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.4.38:*:*:*:*:*:*:* Versions 2.4.38 Vulnerable ·Apache
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* Versions 29 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
Remediation
Red Hat 1 advisory
- RHSA-2019:0980 Released 2019-05-07 · Red Hat rating Importanthttpd:2.4 security update
- Red Hat Enterprise Linux AppStream (v. 8) httpd-2.4.37-11.module+el8.0.0+2969+90015743.aarch64::httpd:2.4, httpd-2.4.37-11.module+el8.0.0+2969+90015743.ppc64le::httpd:2.4, httpd-2.4.37-11.module+el8.0.0+2969+90015743.s390x::httpd:2.4 +37
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Apache HTTP Server — FEDORA-2019-a4ed7400f4
3 records Highest priority Priority CRITICAL 1 CRITICAL, 2 MEDIUM
Other records, highest priority first
- TI-2019-00184 Use after free in Apache HTTP ServerPriority CRITICAL 93
- TI-2019-00190 Race condition in Apache HTTP ServerPriority MEDIUM 49
- Advisory ·
Apache HTTP Server — FEDORA-2019-119b14075a
3 records Highest priority Priority CRITICAL 1 CRITICAL, 2 MEDIUM
Other records, highest priority first
- TI-2019-00184 Use after free in Apache HTTP ServerPriority CRITICAL 93
- TI-2019-00190 Race condition in Apache HTTP ServerPriority MEDIUM 49
Show 1 more group
- Advisory ·
Apache HTTP Server — RHSA-2019:0980
2 records Highest priority Priority CRITICAL 1 CRITICAL, 1 MEDIUM
Other records, highest priority first
- TI-2019-00184 Use after free in Apache HTTP ServerPriority CRITICAL 93
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2019:0980 |
Not affected: 7 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat JBoss Core Services
- Red Hat JBoss Enterprise Web Server 2
- Red Hat Software Collections
- Red Hat Virtualization 4
Timeline
- 2026-10-02 Threatist record created from CVE-2019-0215
- 2026-10-03 Alias added: GHSA-xpmg-8256-c52g
References
Advisory 8
- [oss-security] 20190401 CVE-2019-0215: mod_ssl access control bypass
- FEDORA-2019-cf7695b470
- FEDORA-2019-119b14075a
- https://httpd.apache.org/security/vulnerabilities_24.html
- https://support.f5.com/csp/article/K59440504
- https://security.netapp.com/advisory/ntap-20190423-0001/
- RHSA-2019:0980
- FEDORA-2019-a4ed7400f4
Other 20
- [httpd-cvs] 20190402 svn commit: r1856807 - /httpd/test/framework/trunk/t/security/CVE-2019-0215.t
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
- [httpd-dev] 20190804 Re: svn commit: r1856807 - /httpd/test/framework/trunk/t/security/CVE-2019-0215.t
- [httpd-cvs] 20190806 svn commit: r1864463 - /httpd/test/framework/trunk/t/security/CVE-2019-0215.t
- [httpd-dev] 20190806 Re: svn commit: r1856807 - /httpd/test/framework/trunk/t/security/CVE-2019-0215.t
- [httpd-cvs] 20190815 svn commit: r1048743 [4/4] - 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: r1048742 [4/4] - 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
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- https://www.oracle.com/security-alerts/cpujan2020.html
- [httpd-cvs] 20200401 svn commit: r1058586 [4/4] - 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 [4/4] - 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
- https://www.oracle.com/security-alerts/cpuapr2020.html
- [httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/
- [httpd-cvs] 20210330 svn commit: r1073143 [3/3] - in /websites/staging/httpd/trunk/content: ./ security/
- [httpd-cvs] 20210330 svn commit: r1073140 [4/4] - 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: r1073139 [12/13] - in /websites/staging/httpd/trunk/content: ./ security/json/
- [httpd-cvs] 20210330 svn commit: r1888194 [12/13] - /httpd/site/trunk/content/security/json/
- [httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/
- [httpd-cvs] 20210330 svn commit: r1073149 [12/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/
- [httpd-cvs] 20210606 svn commit: r1075470 [4/4] - 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-2019-0215 · CVE Program
- CVE-2019-0215 · NVD
- FIRST EPSS
- GHSA-xpmg-8256-c52g · GitHub Advisory Database · CC BY 4.0
- CVE-2019-0215 · 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