CVE-2012-3527

Name: CVE-2012-3527
Creator: NVD / NIST
Published: 2012-09-05T23:55:01.88+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.12%

Last modified Jun 16, 2026

CVE-2012-3527 is a vulnerability of currently unknown severity. view_help.php in the backend help system in TYPO3 4.5.x before 4.5.19, 4.6.x before 4.6.12 and 4.7.x before 4.7.4 allows remote authenticated backend users to unserialize arbitrary objects and possibly execute arbitrary PHP code via an unspecified parameter, related to a "missing signature (HMAC).". EPSS estimates a 2.12% chance of exploitation in the next 30 days.

Description

view_help.php in the backend help system in TYPO3 4.5.x before 4.5.19, 4.6.x before 4.6.12 and 4.7.x before 4.7.4 allows remote authenticated backend users to unserialize arbitrary objects and possibly execute arbitrary PHP code via an unspecified parameter, related to a "missing signature (HMAC)."

Metrics

EPSS Probability

2.12%

79.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Typo3	Typo3	>= 4.5.0, < 4.5.19
Typo3	Typo3	>= 4.6.0, < 4.6.12
Typo3	Typo3	>= 4.7.0, < 4.7.4
Debian	Debian Linux	6.0
Debian	Debian Linux	7.0

References

http://osvdb.org/84773Broken Link
http://secunia.com/advisories/50287Not Applicable
http://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2012-004/Vendor Advisory
http://www.debian.org/security/2012/dsa-2537Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/08/22/8Mailing List
https://exchange.xforce.ibmcloud.com/vulnerabilities/77791Third Party Advisory, VDB Entry
http://osvdb.org/84773Broken Link
http://secunia.com/advisories/50287Not Applicable
http://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2012-004/Vendor Advisory
http://www.debian.org/security/2012/dsa-2537Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/08/22/8Mailing List
https://exchange.xforce.ibmcloud.com/vulnerabilities/77791Third Party Advisory, VDB Entry

Timeline

Published: Sep 5, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-3527?

How severe is CVE-2012-3527?

Severity scoring for CVE-2012-3527 is pending analysis. The EPSS model estimates a 2.12% probability of exploitation in the next 30 days.

How do I fix CVE-2012-3527?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-3527?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST