The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion…
Priority LOW 34CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.
Summary
The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion before 1.6.17, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a request for a baselined WebDAV resource, as exploited in the wild in May 2011.
Why it matters now
EPSS 0.08483 95th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories
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 · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:subversion:*:*:*:*:*:*:*:* | before 1.6.17 | Vulnerable | Apache |
| cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:* | 10.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:* | 10.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:* | 11.04 | Vulnerable | Canonical |
| cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Debian |
| cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:* | 14 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:15:*:*:*:*:*:*:* | 15 | Vulnerable | Fedoraproject |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | before 10.7.3 | Vulnerable | Apple |
- cpe:2.3:a:apache:subversion:*:*:*:*:*:*:*:* Versions before 1.6.17 Vulnerable ·Apache
- cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:* Versions 10.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:* Versions 10.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:* Versions 11.04 Vulnerable ·Canonical
- cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Debian
- cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:* Versions 14 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:15:*:*:*:*:*:*:* Versions 15 Vulnerable ·Fedoraproject
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.7.3 Vulnerable ·Apple
Remediation
Red Hat 2 advisories
- RHSA-2011:0862 Released 2011-06-08 · Red Hat rating Moderatesubversion security update
- Red Hat Enterprise Linux (v. 5.6.z server) mod_dav_svn-1.6.11-7.el5_6.4, mod_dav_svn-1.6.11-7.el5_6.4.i386, mod_dav_svn-1.6.11-7.el5_6.4.ia64 +21
- Red Hat Enterprise Linux Server (v. 6) mod_dav_svn-1.6.11-2.el6_1.4, subversion-1.6.11-2.el6_1.4, subversion-1.6.11-2.el6_1.4.ppc +1
- Red Hat Enterprise Linux Server Optional (v. 6) subversion-1.6.11-2.el6_1.4, subversion-devel-1.6.11-2.el6_1.4, subversion-devel-1.6.11-2.el6_1.4.ppc +11
- RHSA-2011:0861 Released 2011-06-08 · Red Hat rating Moderatesubversion security update
- Red Hat Enterprise Linux AS version 4 mod_dav_svn-1.1.4-4.el4, mod_dav_svn-1.1.4-4.el4.i386, mod_dav_svn-1.1.4-4.el4.ia64 +13
- Red Hat Enterprise Linux Desktop version 4 mod_dav_svn-1.1.4-4.el4, mod_dav_svn-1.1.4-4.el4.i386, subversion-1.1.4-4.el4 +5
- Red Hat Enterprise Linux ES version 4 mod_dav_svn-1.1.4-4.el4, mod_dav_svn-1.1.4-4.el4.i386, mod_dav_svn-1.1.4-4.el4.ia64 +9
- Red Hat Enterprise Linux WS version 4 mod_dav_svn-1.1.4-4.el4, mod_dav_svn-1.1.4-4.el4.i386, mod_dav_svn-1.1.4-4.el4.ia64 +9
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5.6.z server) | Fixed | RHSA-2011:0862 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2011:0861 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2011:0861 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2011:0861 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2011:0862 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2011:0862 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2011:0861 |
Timeline
- 2026-10-02 Threatist record created from CVE-2011-1752
- 2026-10-03 Alias added: GHSA-jg5g-xghx-3fqc
- 2026-10-21 EPSS moved to the 95th–99th percentile
- 2026-10-25 EPSS moved to the 90th–95th percentile
- 2026-10-28 EPSS moved to the 95th–99th percentile
References
Advisory 13
- DSA-2251
- USN-1144-1
- http://support.apple.com/kb/HT5130
- MDVSA-2011:106
- RHSA-2011:0862
- FEDORA-2011-8341
- APPLE-SA-2012-02-01-1
- http://subversion.apache.org/security/CVE-2011-1752-advisory.txt
- FEDORA-2011-8352
- https://bugzilla.redhat.com/show_bug.cgi?id=709111
- oval:org.mitre.oval:def:18922
- http://svn.apache.org/repos/asf/subversion/tags/1.6.17/CHANGES
- RHSA-2011:0861
Sources
- CVE-2011-1752 · CVE Program
- CVE-2011-1752 · NVD
- FIRST EPSS
- GHSA-jg5g-xghx-3fqc · GitHub Advisory Database · CC BY 4.0
- CVE-2011-1752 · Red Hat security data · CC BY 4.0
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