Is CVE-2011-1783 being actively exploited?

CVE-2011-1783 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-1783?

CVE-2011-1783 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2011-1783

MEDIUM · CVSS 4.3EPSS 6.7%EU EUVD

The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion 1.5.x and 1.6.x before 1.6.17, when the SVNPathAuthz short_circuit option is enabled, allows remote attackers to cause a denial of service (infinite loop and memory consumption) in opportunistic circumstances by requesting data.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
EPSS score: 6.7% (94th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-1781)
Published: June 6, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-1781 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

apache / subversion
apple / mac os x
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
debian / debian linux
fedoraproject / fedora
fedoraproject / fedora

Certified products that may be affected

2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Apple Mac OS X 10.6 - Apple Inc. - Common Criteria BSI-DSZ-CC-0536-2010 - archived
Apple Mac OS X v10.3.6 and Apple Mac OS X Server V10.3.6 - Apple Inc. - Common Criteria CCEVS-VR-0086-2005 - archived

References

http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html(Mailing List, Third Party Advisory)
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062211.html(Third Party Advisory)
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061913.html(Third Party Advisory)
http://secunia.com/advisories/44633(Third Party Advisory)
http://secunia.com/advisories/44681(Third Party Advisory)
http://secunia.com/advisories/44849(Third Party Advisory)
http://secunia.com/advisories/44888(Third Party Advisory)
http://secunia.com/advisories/45162(Third Party Advisory)
http://subversion.apache.org/security/CVE-2011-1783-advisory.txt(Vendor Advisory)
http://support.apple.com/kb/HT5130(Third Party Advisory)
http://svn.apache.org/repos/asf/subversion/tags/1.6.17/CHANGES(Release Notes, Vendor Advisory)
http://www.debian.org/security/2011/dsa-2251(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2011:106(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2011-0862.html(Third Party Advisory)
http://www.securityfocus.com/bid/48091(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1025618(Third Party Advisory, VDB Entry)
http://www.ubuntu.com/usn/USN-1144-1(Third Party Advisory)
https://bugzilla.redhat.com/show_bug.cgi?id=709112(Issue Tracking, Third Party Advisory)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18889(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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