CVE-2020-15513

Name: CVE-2020-15513
Creator: NVD / NIST
Published: 2020-07-07T14:15:11.457+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.85%

Last modified Jun 17, 2026

CVE-2020-15513 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. The typo3_forum extension before 1.2.1 for TYPO3 has Incorrect Access Control.. EPSS estimates a 0.85% chance of exploitation in the next 30 days.

Description

The typo3_forum extension before 1.2.1 for TYPO3 has Incorrect Access Control.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.85%

53.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Mittwald	Typo3 Forum	< 1.2.1

References

https://typo3.org/help/security-advisoriesThird Party Advisory
https://typo3.org/security/advisory/typo3-ext-sa-2020-010Third Party Advisory
https://typo3.org/help/security-advisoriesThird Party Advisory
https://typo3.org/security/advisory/typo3-ext-sa-2020-010Third Party Advisory

Timeline

Published: Jul 7, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-15513?

The typo3_forum extension before 1.2.1 for TYPO3 has Incorrect Access Control.

How severe is CVE-2020-15513?

CVE-2020-15513 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.85% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15513?

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-2020-15513?

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

Scan your code now

Source: NVD / NIST