CVE-2019-12747

Name: CVE-2019-12747
Creator: NVD / NIST
Published: 2019-07-09T15:15:10.587+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.52%

Last modified Jun 17, 2026

CVE-2019-12747 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. TYPO3 8.x through 8.7.26 and 9.x through 9.5.7 allows Deserialization of Untrusted Data.. EPSS estimates a 1.52% chance of exploitation in the next 30 days.

Description

TYPO3 8.x through 8.7.26 and 9.x through 9.5.7 allows Deserialization of Untrusted Data.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.52%

71.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Typo3	Typo3	>= 8.3.0, <= 8.7.26
Typo3	Typo3	>= 9.0.0, <= 9.5.7

References

https://typo3.org/security/advisory/typo3-core-sa-2019-020/Vendor Advisory
https://typo3.org/security/advisory/typo3-core-sa-2019-020/Vendor Advisory

Timeline

Published: Jul 9, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-12747?

TYPO3 8.x through 8.7.26 and 9.x through 9.5.7 allows Deserialization of Untrusted Data.

How severe is CVE-2019-12747?

CVE-2019-12747 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.52% probability of exploitation in the next 30 days.

How do I fix CVE-2019-12747?

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-2019-12747?

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

Scan your code now

Source: NVD / NIST