CVE-2024-34537
Denial of Service in TYPO3 Bookmark Toolbar
TYPO3 before 13.3.1 allows denial of service (interface error) in the Bookmark Toolbar (ext:backend), exploitable by an administrator-level backend user account via manipulated data saved in the bookmark toolbar of the backend user interface. The fixed versions are 10.4.46 ELTS, 11.5.40 LTS, 12.4.21 LTS, and 13.3.1.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
TYPO3 before 13.3.1 allows denial of service (interface error) in the Bookmark Toolbar (ext:backend), exploitable by an administrator-level backend user account via manipulated data saved in the bookmark toolbar of the backend user interface. The fixed versions are 10.4.46 ELTS, 11.5.40 LTS, 12.4.21 LTS, and 13.3.1.
- Record
CVE-2024-34537- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
EUVDEUVD-2024-3035
TYPO3 before 13.3.1 allows denial of service (interface error) in the Bookmark Toolbar (ext:backend), exploitable by an administrator-level backend user account via manipulated data saved in the bookmark toolbar of the backend user interface. The fixed versions are 10.4.46 ELTS, 11.5.40 LTS, 12.4.21 LTS, and 13.3.1.
- Record
EUVD-2024-3035- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-ffcv-v6pw-qhrp
Denial of Service in TYPO3 Bookmark Toolbar
Problem
Due to insufficient input validation, manipulated data saved in the bookmark toolbar of the backend user interface causes a general error state, blocking further access to the interface. Exploiting this vulnerability requires an administrator-level backend user account.
Solution
Update to TYPO3 versions 10.4.46 ELTS, 11.5.40 LTS, 12.4.21 LTS, 13.3.1 that fix the problem described.
Credits
Thanks to Hendrik Eichner who reported this issue and to TYPO3 core & security team members Oliver Hader and Benjamin Franzke who fixed the issue.
References
- Record
GHSA-ffcv-v6pw-qhrp- CVSS 4.0
- 2.0 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P - CVSS 3.1
- 2.5 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L/E:F/RL:O/RC:C - Weakness
- CWE-248, CWE-1286
- Updated
- 2026-11-02
NVD
TYPO3 before 13.3.1 allows denial of service (interface error) in the Bookmark Toolbar (ext:backend), exploitable by an administrator-level backend user account via manipulated data saved in the bookmark toolbar of the backend user interface. The fixed versions are 10.4.46 ELTS, 11.5.40 LTS, 12.4.21 LTS, and 13.3.1.
- Record
CVE-2024-34537- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSV
TYPO3 before 13.3.1 allows denial of service (interface error) in the Bookmark Toolbar (ext:backend), exploitable by an administrator-level backend user account via manipulated data saved in the bookmark toolbar of the backend user interface. The fixed versions are 10.4.46 ELTS, 11.5.40 LTS, 12.4.21 LTS, and 13.3.1.
- Record
CVE-2024-34537- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVGHSA-ffcv-v6pw-qhrp
Denial of Service in TYPO3 Bookmark Toolbar
Problem
Due to insufficient input validation, manipulated data saved in the bookmark toolbar of the backend user interface causes a general error state, blocking further access to the interface. Exploiting this vulnerability requires an administrator-level backend user account.
Solution
Update to TYPO3 versions 10.4.46 ELTS, 11.5.40 LTS, 12.4.21 LTS, 13.3.1 that fix the problem described.
Credits
Thanks to Hendrik Eichner who reported this issue and to TYPO3 core & security team members Oliver Hader and Benjamin Franzke who fixed the issue.
References
- Record
GHSA-ffcv-v6pw-qhrp- CVSS 4.0
- 2.0 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P - CVSS 3.1
- 2.7 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L/E:F/RL:O/RC:C - Weakness
- CWE-1286, CWE-248
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
typo3/cms-backendPackagist |
13.0.0 to 13.0.0 | 13.3.1 |
typo3/cms-backendPackagist |
12.0.0 up to 12.4.20 | 12.4.20 |
typo3/cms-backendPackagist |
11.0.0 to 11.5.39 | 11.5.40 |
typo3/cms-backendPackagist |
10.0.0 to 10.4.45 | 10.4.46 |
typo3/cms-backendPackagist |
13.0.0 up to 13.3.1, plus listed versions v13.0.0v13.0.1v13.1.0v13.1.1v13.2.1v13.3.0 |
13.3.1 |
typo3/cms-backendPackagist |
12.0.0 up to 12.4.21, plus listed versions v12.0.0v12.1.0v12.1.1v12.1.2v12.1.3 Show 23 moreShow lessv12.2.0v12.3.0v12.4.0v12.4.1v12.4.10v12.4.11v12.4.12v12.4.13v12.4.14v12.4.15v12.4.16v12.4.17v12.4.18v12.4.19v12.4.2v12.4.20v12.4.3v12.4.4v12.4.5v12.4.6v12.4.7v12.4.8v12.4.9 |
12.4.21 |
typo3/cms-backendPackagist |
11.0.0 up to 11.5.40, plus listed versions v11.0.0v11.1.0v11.1.1v11.2.0v11.3.0 Show 44 moreShow lessv11.3.1v11.3.2v11.3.3v11.4.0v11.5.0v11.5.1v11.5.10v11.5.11v11.5.12v11.5.13v11.5.14v11.5.15v11.5.16v11.5.17v11.5.18v11.5.19v11.5.2v11.5.20v11.5.21v11.5.22v11.5.23v11.5.24v11.5.25v11.5.26v11.5.27v11.5.28v11.5.29v11.5.3v11.5.30v11.5.31v11.5.32v11.5.33v11.5.34v11.5.35v11.5.36v11.5.37v11.5.38v11.5.39v11.5.4v11.5.5v11.5.6v11.5.7v11.5.8v11.5.9 |
11.5.40 |
typo3/cms-backendPackagist |
10.0.0 up to 10.4.46, plus listed versions v10.0.0v10.1.0v10.2.0v10.2.1v10.2.2 Show 38 moreShow lessv10.3.0v10.4.0v10.4.1v10.4.10v10.4.11v10.4.12v10.4.13v10.4.14v10.4.15v10.4.16v10.4.17v10.4.18v10.4.19v10.4.2v10.4.20v10.4.21v10.4.22v10.4.23v10.4.24v10.4.25v10.4.26v10.4.27v10.4.28v10.4.29v10.4.3v10.4.30v10.4.31v10.4.32v10.4.33v10.4.34v10.4.36v10.4.37v10.4.4v10.4.5v10.4.6v10.4.7v10.4.8v10.4.9 |
10.4.46 |
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-2024-34537 is a medium vulnerability (CVSS 4.9) in Typo3, published October 8, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.71%, the 54th percentile. Fixed in typo3/cms-backend 13.3.1.
References
github.com/TYPO3/typo3/security/advisories/GHSA-ffcv-v6pw-qhrp
typo3.org/security/advisory/typo3-core-sa-2024-011
mgm-sp.com/cve/denial-of-service-in-typo3-bookmark-toolbar
nvd.nist.gov/vuln/detail/CVE-2024-34537