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Fencer Vulns
medium 4.9

CVE-2024-34537 json

Denial of Service in TYPO3 Bookmark Toolbar

published 2024-10-08 2 y ago modified 2026-06-17 4 mo ago also GHSA-ffcv-v6pw-qhrp , EUVD-2024-3035

cvss
4.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits
0
none known

Summary

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.

Patch / fix

  • packagist typo3/cms-backend 10.4.46, 11.5.40, 12.4.21, 13.3.1
  • typo3 typo3 10.4.46, 11.5.40, 12.4.21, 13.3.1

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.71% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • mgm-sp.com https://www.mgm-sp.com/cve/denial-of-service-in-typo3-bookmark-toolbar referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 2.7 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

Affected packages

ecosystem package affected fixed in
packagist typo3/cms-backend
>=13.0.0, <13.3.1
>=12.0.0, <12.4.21
>=11.0.0, <11.5.40
>=10.0.0, <10.4.46
13.3.1
12.4.21
11.5.40
10.4.46

Classification

Weakness
  • CWE-1286 Improper Validation of Syntactic Correctness of Input
  • CWE-248 Uncaught Exception

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.