7.5

CVE-2012-4456: openstack keystone Improper Authentication

CVSS: 7.5v2.0HighModified
AliasesGHSA-mf98-r2gf-2x3wPYSEC-2026-832DEBIAN-CVE-2012-4456
Published 09-10-2012Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2012-4456 is a high (CVSS 7.5) Improper Authentication vulnerability in openstack keystone. EPSS estimates a 4.00% chance of exploitation in the next 30 days, higher than 90.4% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
4.00%
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

The (1) OS-KSADM/services and (2) tenant APIs in OpenStack Keystone Essex before 2012.1.2 and Folsom before folsom-2 do not properly validate X-Auth-Token, which allow remote attackers to read the roles for an arbitrary user or get, create, or delete arbitrary services.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

4.00%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

0.00 pp

From 4.00% on 19-09-2026

19-09-202619-10-2026
EPSS score
4.00%

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
PyPI1 product
  • keystone≥ 2012.1, < 2012.1.2

3 vendors · 3 products

References

20 links
Show all 20 references