Vulnerability Monitor

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CVE-2011-1921

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 disabled, does not properly enforce permissions for files that had been publicly readable in the past, which allows remote attackers to obtain sensitive information via a replay REPORT operation.

Security Impact Summary

CVE-2011-1921 is a security vulnerability that . Impacting 1 product from apache organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2011, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2011-06-06T19:55:02.020

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	apache	subversion	1.5.0	Yes
Application	apache	subversion	1.5.1	Yes
Application	apache	subversion	1.5.2	Yes
Application	apache	subversion	1.5.3	Yes
Application	apache	subversion	1.5.4	Yes
Application	apache	subversion	1.5.5	Yes
Application	apache	subversion	1.5.6	Yes
Application	apache	subversion	1.5.7	Yes
Application	apache	subversion	1.5.8	Yes
Application	apache	subversion	1.6.0	Yes
Application	apache	subversion	1.6.1	Yes
Application	apache	subversion	1.6.2	Yes
Application	apache	subversion	1.6.3	Yes
Application	apache	subversion	1.6.4	Yes
Application	apache	subversion	1.6.5	Yes
Application	apache	subversion	1.6.6	Yes
Application	apache	subversion	1.6.7	Yes
Application	apache	subversion	1.6.8	Yes
Application	apache	subversion	1.6.9	Yes
Application	apache	subversion	1.6.10	Yes
Application	apache	subversion	1.6.11	Yes
Application	apache	subversion	1.6.12	Yes
Application	apache	subversion	1.6.13	Yes
Application	apache	subversion	1.6.14	Yes
Application	apache	subversion	1.6.15	Yes
Application	apache	subversion	1.6.16	Yes

References

http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062211.html ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061913.html ([email protected])
http://secunia.com/advisories/44633 Vendor Advisory ([email protected])
http://secunia.com/advisories/44681 Vendor Advisory ([email protected])
http://secunia.com/advisories/44849 ([email protected])
http://secunia.com/advisories/44888 ([email protected])
http://secunia.com/advisories/45162 ([email protected])
http://subversion.apache.org/security/CVE-2011-1921-advisory.txt Vendor Advisory ([email protected])
http://support.apple.com/kb/HT5130 ([email protected])
http://svn.apache.org/repos/asf/subversion/tags/1.6.17/CHANGES ([email protected])
http://www.debian.org/security/2011/dsa-2251 ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2011:106 ([email protected])
http://www.redhat.com/support/errata/RHSA-2011-0862.html ([email protected])
http://www.securityfocus.com/bid/48091 ([email protected])
http://www.securitytracker.com/id?1025619 ([email protected])
http://www.ubuntu.com/usn/USN-1144-1 ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=709114 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/67804 ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18999 ([email protected])
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062211.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061913.html (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/44633 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/44681 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/44849 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/44888 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/45162 (af854a3a-2127-422b-91ae-364da2661108)
http://subversion.apache.org/security/CVE-2011-1921-advisory.txt Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://support.apple.com/kb/HT5130 (af854a3a-2127-422b-91ae-364da2661108)
http://svn.apache.org/repos/asf/subversion/tags/1.6.17/CHANGES (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2011/dsa-2251 (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2011:106 (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2011-0862.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/48091 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1025619 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-1144-1 (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=709114 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/67804 (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18999 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For apache's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.