CVE-2013-1968 [Medium] | Denial of Service in Subversion

CVE-2013-1968 is rated Moderate Risk (50.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.24%). Review affected assets and schedule remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-01-28	0.51%	1.24%	+0.73%
2	2026-01-17	0.64%	0.51%	-0.14%
3	2025-12-28	—	0.64%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-01-28

0.51%

1.24%

+0.73%

2026-01-17

0.64%

0.51%

-0.14%

2025-12-28

—

0.64%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
5.5	2.0	MEDIUM	`AV:N/AC:L/Au:S/C:N/I:P/A:P` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:S) A single authentication is required. Confidentiality impact (C:N) No confidentiality impact. Integrity impact (I:P) Partial integrity impact. Availability impact (A:P) Partial availability impact.	8.0	4.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

5.5

2.0

MEDIUM

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

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:S): A single authentication is required.
Confidentiality impact (C:N): No confidentiality impact.
Integrity impact (I:P): Partial integrity impact.
Availability impact (A:P): Partial availability impact.

8.0

4.9

[email protected]

OS Trackers for CVE-2013-1968

vendor	priority	summary	link
`debian`	not yet assigned	CVE-2013-1968 not yet assigned priority: Debian including 1 source packages (subversion), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2013-1968
`gentoo`	low	CVE-2013-1968: 1 GLSA(s) (201309-11), 1 atom(s) (dev-vcs/subversion); latest impact low.	https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-1968
`redhat`	low	—	https://access.redhat.com/security/cve/CVE-2013-1968
`ubuntu`	medium	CVE-2013-1968 medium priority: Ubuntu including 1 source packages (subversion), 5 status rows across 5 suites (lucid, precise, quantal, raring, upstream): released 4, ignored 1.	https://ubuntu.com/security/CVE-2013-1968

Affected software / configurations for CVE-2013-1968

Vendor	Product	Version	Raw CPE
apache	subversion	<= 1.6.21	cpe:2.3:a:apache:subversion::::::::
apache	subversion	1.6.0	cpe:2.3:a:apache:subversion:1.6.0:::::::*
apache	subversion	1.6.1	cpe:2.3:a:apache:subversion:1.6.1:::::::*
apache	subversion	1.6.2	cpe:2.3:a:apache:subversion:1.6.2:::::::*
apache	subversion	1.6.3	cpe:2.3:a:apache:subversion:1.6.3:::::::*
apache	subversion	1.6.4	cpe:2.3:a:apache:subversion:1.6.4:::::::*
apache	subversion	1.6.5	cpe:2.3:a:apache:subversion:1.6.5:::::::*
apache	subversion	1.6.6	cpe:2.3:a:apache:subversion:1.6.6:::::::*
apache	subversion	1.6.7	cpe:2.3:a:apache:subversion:1.6.7:::::::*
apache	subversion	1.6.8	cpe:2.3:a:apache:subversion:1.6.8:::::::*
apache	subversion	1.6.9	cpe:2.3:a:apache:subversion:1.6.9:::::::*
apache	subversion	1.6.10	cpe:2.3:a:apache:subversion:1.6.10:::::::*
apache	subversion	1.6.11	cpe:2.3:a:apache:subversion:1.6.11:::::::*
apache	subversion	1.6.12	cpe:2.3:a:apache:subversion:1.6.12:::::::*
apache	subversion	1.6.13	cpe:2.3:a:apache:subversion:1.6.13:::::::*
apache	subversion	1.6.14	cpe:2.3:a:apache:subversion:1.6.14:::::::*
apache	subversion	1.6.15	cpe:2.3:a:apache:subversion:1.6.15:::::::*
apache	subversion	1.6.16	cpe:2.3:a:apache:subversion:1.6.16:::::::*
apache	subversion	1.6.17	cpe:2.3:a:apache:subversion:1.6.17:::::::*
apache	subversion	1.6.18	cpe:2.3:a:apache:subversion:1.6.18:::::::*
apache	subversion	1.6.19	cpe:2.3:a:apache:subversion:1.6.19:::::::*
apache	subversion	1.6.20	cpe:2.3:a:apache:subversion:1.6.20:::::::*
collabnet	subversion	1.6.17	cpe:2.3:a:collabnet:subversion:1.6.17:::::::*
apache	subversion	1.7.0	cpe:2.3:a:apache:subversion:1.7.0:::::::*
apache	subversion	1.7.1	cpe:2.3:a:apache:subversion:1.7.1:::::::*
apache	subversion	1.7.2	cpe:2.3:a:apache:subversion:1.7.2:::::::*
apache	subversion	1.7.3	cpe:2.3:a:apache:subversion:1.7.3:::::::*
apache	subversion	1.7.4	cpe:2.3:a:apache:subversion:1.7.4:::::::*
apache	subversion	1.7.5	cpe:2.3:a:apache:subversion:1.7.5:::::::*
apache	subversion	1.7.6	cpe:2.3:a:apache:subversion:1.7.6:::::::*
apache	subversion	1.7.7	cpe:2.3:a:apache:subversion:1.7.7:::::::*
apache	subversion	1.7.8	cpe:2.3:a:apache:subversion:1.7.8:::::::*
apache	subversion	1.7.9	cpe:2.3:a:apache:subversion:1.7.9:::::::*
canonical	ubuntu_linux	12.04	cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:::::*
canonical	ubuntu_linux	12.10	cpe:2.3:o:canonical:ubuntu_linux:12.10:::::::*
canonical	ubuntu_linux	13.04	cpe:2.3:o:canonical:ubuntu_linux:13.04:::::::*
opensuse	opensuse	11.4	cpe:2.3:o:opensuse:opensuse:11.4:::::::*

References for CVE-2013-1968

URL	Tags
http://lists.opensuse.org/opensuse-updates/2013-07/msg00015.html
http://mail-archives.apache.org/mod_mbox/subversion-announce/201305.mbox/%3CCADkdwvRK51pQsybfvsAzjxQJrmVpL0fEa1K4WGkUP9Tzz6KFDw%40mail.gmail.com%3E
http://mail-archives.apache.org/mod_mbox/subversion-announce/201305.mbox/%3CCADkdwvTxsMFeHgc8bK2V-2PrSrKoBffTi8%2BxbHA5tocrrewWew%40mail.gmail.com%3E
http://rhn.redhat.com/errata/RHSA-2014-0255.html
http://www.debian.org/security/2013/dsa-2703
http://www.ubuntu.com/usn/USN-1893-1
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18986
https://subversion.apache.org/security/CVE-2013-1968-advisory.txt	Vendor Advisory

URL

CVE-2013-1968

Exploit prediction scoring system (EPSS) score for CVE-2013-1968

Common vulnerability scoring system (CVSS) metrics for CVE-2013-1968

Weakness enumeration for CVE-2013-1968

OS Trackers for CVE-2013-1968

Affected software / configurations for CVE-2013-1968

References for CVE-2013-1968