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CVE-2012-4457: openstack keystone Improper Authentication

CVSS: 4.0v2.0MediumModified
AliasesGHSA-x8h4-xf47-pqc3PYSEC-2026-834DEBIAN-CVE-2012-4457
Published 09-10-2012Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2012-4457 is a medium (CVSS 4.0) Improper Authentication vulnerability in openstack keystone. EPSS estimates a 2.29% chance of exploitation in the next 30 days, higher than 82.9% of scored vulnerabilities.

Overall risk
16/100
0100
Low · default modelHow is this calculated?
CVSS score
4.0/10
010
Medium · v2.0 (NVD)
EPSS score
2.29%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
RHSA-2012:1378

Timeline

  1. 09-10-2012
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

OpenStack Keystone Essex before 2012.1.2 and Folsom before folsom-3 does not properly handle authorization tokens for disabled tenants, which allows remote authenticated users to access the tenant's resources by requesting a token for the tenant.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.29%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

0.00 pp

From 2.29% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.29%

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

Debian1 product
  • keystone< 2012.1.1-9
Openstack1 product
  • keystone≥ 2012.1, < 2012.1.2 | 2012.2:milestone1 | 2012.2:milestone2
PyPI1 product
  • keystone< 8.0.0a0

3 vendors · 3 products

References

13 links
Show all 13 references