CVE-2020-15513
Incorrect access control in typo3_forum
The typo3_forum extension before 1.2.1 for TYPO3 has Incorrect Access Control.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The typo3_forum extension before 1.2.1 for TYPO3 has Incorrect Access Control.
- Record
CVE-2020-15513- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
CVE List No score
The typo3_forum extension before 1.2.1 for TYPO3 has Incorrect Access Control.
- Record
CVE-2020-15513- Updated
- 2026-11-02
EUVDEUVD-2020-0536 No score
The typo3_forum extension before 1.2.1 for TYPO3 has Incorrect Access Control.
- Record
EUVD-2020-0536- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-57gr-jvqr-3hwm
Incorrect access control in typo3_forum
The typo3_forum extension before 1.2.1 for TYPO3 has Incorrect Access Control.
- Record
GHSA-57gr-jvqr-3hwm- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
OSV
The typo3_forum extension before 1.2.1 for TYPO3 has Incorrect Access Control.
- Record
CVE-2020-15513- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-57gr-jvqr-3hwm
Incorrect access control in typo3_forum
The typo3_forum extension before 1.2.1 for TYPO3 has Incorrect Access Control.
- Record
GHSA-57gr-jvqr-3hwm- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mittwald/typo3_forumPackagist |
before 1.2.1 | 1.2.1 |
mittwald/typo3_forumPackagist |
before 1.2.1, plus listed versions 1.0.11.0.21.0.31.0.41.1.01.1.1v1.2.0 |
1.2.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-15513 is a medium vulnerability (CVSS 5.3) in Mittwald Typo3 Forum, published July 7, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.85%, the 58th percentile. Fixed in mittwald/typo3_forum 1.2.1.