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4.3
MEDIUM CVSS 2.0
CVE-2013-2157
OpenStack Keystone LDAP Authentication Bypass
Description

OpenStack Keystone Folsom, Grizzly before 2013.1.3, and Havana, when using LDAP with Anonymous binding, allows remote attackers to bypass authentication via an empty password.

INFO

Published Date :

Aug. 20, 2013, 10:55 p.m.

Last Modified :

April 11, 2025, 12:51 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2013-2157 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Openstack keystone
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
Solution
An authentication bypass vulnerability exists in OpenStack Keystone when using LDAP with anonymous binding.
  • Update the openstack-keystone or python-keystone package.
  • Consult the vendor security advisory for specific guidance.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2013-2157.

URL Resource
http://rhn.redhat.com/errata/RHSA-2013-0994.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2013-1083.html Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/06/13/3 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/60545 Third Party Advisory VDB Entry
http://rhn.redhat.com/errata/RHSA-2013-0994.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2013-1083.html Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/06/13/3 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/60545 Third Party Advisory VDB Entry
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2013-2157 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2013-2157 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2013-2157 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2013-2157 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2013-0994.html
    Added Reference http://rhn.redhat.com/errata/RHSA-2013-1083.html
    Added Reference http://www.openwall.com/lists/oss-security/2013/06/13/3
    Added Reference http://www.securityfocus.com/bid/60545
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Aug. 08, 2019

    Action Type Old Value New Value
    Changed Reference Type http://rhn.redhat.com/errata/RHSA-2013-0994.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2013-0994.html Third Party Advisory
    Changed Reference Type http://rhn.redhat.com/errata/RHSA-2013-1083.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2013-1083.html Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2013/06/13/3 No Types Assigned http://www.openwall.com/lists/oss-security/2013/06/13/3 Mailing List, Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/60545 No Types Assigned http://www.securityfocus.com/bid/60545 Third Party Advisory, VDB Entry
    Changed CPE Configuration OR *cpe:2.3:a:openstack:keystone:2012.1:*:*:*:*:*:*:* *cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:* versions up to (including) 2013.1 OR *cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:* versions from (including) 2012.2 up to (including) 2012.2.4 *cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:* versions from (including) 2013.1 up to (excluding) 2013.1.3 *cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:* versions from (including) 2013.2 up to (including) 2013.2.4
  • Initial Analysis by [email protected]

    Aug. 21, 2013

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 4.3
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.29 }} -0.77%

score

0.51903

percentile