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CVE-2013-1847

49
FAUCET Score

CVE-2013-1847 describes a Denial of Service vulnerability affecting the mod_dav_svn Apache HTTPD server module in Apache Subversion versions 1.6.0 through 1.6.20 and 1.7.0 through 1.7.8. An unauthenticated remote attacker can trigger a NULL pointer dereference and crash the server by sending an anonymous LOCK request for a non-existent URL. This vulnerability has a CVSS score of 5.0, indicating a medium severity, with low attack complexity and no authentication required, leading to a partial availability impact. While not listed on CISA's KEV catalog, an ExploitDB entry exists for this vulnerability, though there is no evidence of active exploitation, Metasploit modules, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
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:*:*:*:*:*:*:*
1.6.4CPE matchmatch criteria
cpe:2.3:a:apache:subversion:1.6.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
51.44%
Probability of exploitation in next 30 days
EPSS Percentile
98.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-38421 · Apr 5, 2013
This CVE's current EPSS score of 0.5144 is in the 99th percentile among its peer group of 23,701 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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-2013-1847Low

(mod_dav_svn): DoS (crash) via LOCK requests against a non-existent 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%3A18538
subversion.apache.org / security/CVE-2013-1847-advisory.txt
Vendor Advisory
mandriva.com / security/advisories
ubuntu.com / usn/USN-1893-1