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CVE-2013-1846

19
FAUCET Score

CVE-2013-1846 describes a denial-of-service vulnerability in the mod_dav_svn Apache HTTPD server module, affecting Subversion versions 1.6.x before 1.6.21 and 1.7.0 through 1.7.8, as well as associated OpenSUSE packages. This flaw allows remote authenticated users to trigger a NULL pointer dereference and crash the server by sending a LOCK request to an activity URL. With a CVSS score of 4.0, it is considered a low-severity vulnerability, requiring authentication for exploitation and leading only to a partial denial of service. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.6.20CPE matchmatch criteria
cpe:2.3:a:apache:subversion:*:*:*:*:*:*:*:*
1.6.0CPE matchmatch criteria
cpe:2.3:a:apache:subversion:1.6.0:*:*:*:*:*:*:*
1.6.1CPE matchmatch criteria
cpe:2.3:a:apache:subversion:1.6.1:*:*:*:*:*:*:*
1.6.2CPE matchmatch criteria
cpe:2.3:a:apache:subversion:1.6.2:*:*:*:*:*:*:*
1.6.3CPE matchmatch criteria
cpe:2.3:a:apache:subversion:1.6.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

AV:N/AC:L/Au:S/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
6.73%
Probability of exploitation in next 30 days
EPSS Percentile
93.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0673 is in the 98th percentile among its peer group of 21,977 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: subversion-0:1.6.11-11.el5_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: subversion-0:1.6.11-9.el6_4
View patch

Vendor Advisories (1)

redhatCVE-2013-1846Low

(mod_dav_svn): DoS (crash) via LOCK requests against an activity URL

Apr 4, 2013

References

lists.opensuse.org / opensuse-updates/2013-04/msg00095.html
lists.opensuse.org / opensuse-updates/2013-06/msg00069.html
mail-archives.apache.org / mod_mbox/subversion-announce/201304.mbox/%3CCADkdwvRoyVrZV12tgC0FMGrc6%2BMisd3qTcZ%2BDdpFGgTahkgAkQ%40mail.gmail.com%3E
mail-archives.apache.org / mod_mbox/subversion-announce/201304.mbox/%3CCADkdwvSTMLbn4q_KM3Ph2UOeSiPGhEK4%3DSvwEjaHW_GUGkYWPQ%40mail.gmail.com%3E
rhn.redhat.com / errata/RHSA-2013-0737.html
bugzilla.redhat.com / show_bug.cgi
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18087
subversion.apache.org / security/CVE-2013-1846-advisory.txt
mandriva.com / security/advisories
ubuntu.com / usn/USN-1893-1