Is CVE-2012-3426 in the CISA KEV catalog?

No. CVE-2012-3426 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-3426?

CVE-2012-3426 has a CVSS v2 base score of 4.9 (MEDIUM).

What is the EPSS score for CVE-2012-3426?

CVE-2012-3426 has an EPSS score of 2.27% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2012-3426?

Upgrade keystone on debian 11 to 2012.1.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2012-3426

MEDIUMEPSS 81th pctl

4.9

CVSS v2

NVD

Description

OpenStack Keystone before 2012.1.1, as used in OpenStack Folsom before Folsom-1 and OpenStack Essex, does not properly implement token expiration, which allows remote authenticated users to bypass intended authorization restrictions by (1) creating new tokens through token chaining, (2) leveraging possession of a token for a disabled user account, or (3) leveraging possession of a token for an account with a changed password.

CWE-264Permissions, Privileges, and Access Controls

How to fix

Remediation Available

keystoneDebian

Fixed in:2012.1.1-1CVE-2012-3426

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.27%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Patch5

Other references9

Related Vulnerabilities

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2012-1456	Medium	4.3	100%	-	-
CVE-2012-1459	Medium	4.3	100%	-	Fix
CVE-2012-1446	Medium	4.3	100%	-	-
CVE-2012-1443	Medium	4.3	100%	-	-
CVE-2012-1442	Medium	4.3	99%	-	-
CVE-2012-1457	Medium	4.3	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.