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Fencer Vulns
medium 4.0

CVE-2009-3628 json

TYPO3 Backend Discloses Encryption Key

published 2009-11-02 17 y ago modified 2026-06-16 4 mo ago also GHSA-2wgg-c8xc-7gg3 , EUVD-2022-2064

cvss
4.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
0
none known

Summary

The Backend subcomponent in TYPO3 4.0.13 and earlier, 4.1.x before 4.1.13, 4.2.x before 4.2.10, and 4.3.x before 4.3beta2 allows remote authenticated users to determine an encryption key via crafted input to a tt_content form element.

Patch / fix

  • packagist typo3/cms-backend 4.1.13, 4.2.10, 4.3beta2

Exploit prediction

1.13% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected packages

ecosystem package affected fixed in
packagist typo3/cms-backend
<=4.0.13
>=4.1.0, <4.1.13
>=4.2.0, <4.2.10
>=4.3alpha1, <4.3beta2
4.1.13
4.2.10
4.3beta2

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

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.