CVE-2012-6146

CVE-2012-6146 is a medium-severity vulnerability in Typo3 with a CVSS 2.0 base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.0)
• EPSS exploit prediction: 1% (58th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-264
• Affected product: Typo3
• Published: 2014-05-20
• Last modified: 2026-06-16

Description

The Backend History Module in TYPO3 4.5.x before 4.5.21, 4.6.x before 4.6.14, and 4.7.x before 4.7.6 does not properly restrict access, which allows remote authenticated editors to read the history of arbitrary records via a crafted URL.

Frequently asked questions

What is CVE-2012-6146?

The Backend History Module in TYPO3 4.5.x before 4.5.21, 4.6.x before 4.6.14, and 4.7.x before 4.7.6 does not properly restrict access, which allows remote authenticated editors to read the history of arbitrary records via a crafted URL.

How severe is CVE-2012-6146?

CVE-2012-6146 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2012-6146 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-6146?

CVE-2012-6146 primarily affects Typo3. In total, 43 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-6146?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-6146 published?

CVE-2012-6146 was published on 2014-05-20 and last updated on 2026-06-16.

References

• http://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2012-005/

Affected products (43)

• cpe:2.3:a:typo3:typo3:4.6.0:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.6.2:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.6.3:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.6.4:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.6.5:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.6.6:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.6.7:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.6.8:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.6.9:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.6.10:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.6.11:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.6.12:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.6.13:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.7:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.7.0:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.7.1:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.7.2:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.7.3:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.7.4:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.7.5:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.5:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.5.0:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.5.2:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.5.3:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.5.4:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.5.5:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.5.6:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.5.7:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.5.8:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.5.9:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.5.10:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.5.11:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.5.12:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.5.13:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.5.14:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.5.15:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.5.16:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.5.17:*:*:*:*:*:*:*

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