4.3

CVE-2013-2157: openstack keystone Improper Authentication

CVSS: 4.3v2.0MediumModified
AliasesRHSA-2013:0994RHSA-2013:1083DEBIAN-CVE-2013-2157
Published 20-08-2013Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2013-2157 is a medium (CVSS 4.3) Improper Authentication vulnerability in openstack keystone. EPSS estimates a 3.13% chance of exploitation in the next 30 days, higher than 87.6% of scored vulnerabilities.

Overall risk
18/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
3.13%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-08-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

3.13%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

0.00 pp

From 3.13% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.13%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat3 products
  • openstack-keystone< 0:2013.1.2-2.el6ost | < 0:2012.2.4-3.el6ost
  • openstack-keystone-doc< 0:2013.1.2-2.el6ost | < 0:2012.2.4-3.el6ost
  • python-keystone< 0:2013.1.2-2.el6ost | < 0:2012.2.4-3.el6ost
Debian1 product
  • keystone< 2013.1.2-1
Openstack1 product
  • keystone≥ 2012.2, ≤ 2012.2.4 | ≥ 2013.1, < 2013.1.3 | ≥ 2013.2, ≤ 2013.2.4

3 vendors · 5 products

References

14 links
Show all 14 references