CVE-2009-3628
TYPO3 Backend Discloses Encryption Key
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2009-3628- CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2009-3628- Updated
- 2026-11-02
EUVDEUVD-2022-2064 No score
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.
- Record
EUVD-2022-2064- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2wgg-c8xc-7gg3 No score
TYPO3 Backend Discloses Encryption Key
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.
- Record
GHSA-2wgg-c8xc-7gg3- Weakness
- CWE-200
- Updated
- 2026-11-02
OSVGHSA-2wgg-c8xc-7gg3 No score
TYPO3 Backend Discloses Encryption Key
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.
- Record
GHSA-2wgg-c8xc-7gg3- Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
typo3/cms-backendPackagist |
through 4.0.13 | None known |
typo3/cms-backendPackagist |
4.1.0 up to 4.1.13 | 4.1.13 |
typo3/cms-backendPackagist |
4.2.0 up to 4.2.10 | 4.2.10 |
typo3/cms-backendPackagist |
4.3alpha1 up to 4.3beta2 | 4.3beta2 |
typo3-srcDebian:4.0 From an advisory covering 9 CVEs |
before 4.0.2+debian-9 | 4.0.2+debian-9 |
typo3-srcDebian:5.0 From an advisory covering 9 CVEs |
before 4.2.5-1+lenny2, plus listed versions 4.2.5-14.2.5-1+lenny1 |
4.2.5-1+lenny2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| 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-2009-3628 is a medium vulnerability (CVSS 4.0) in Typo3, published November 2, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.13%, the 66th percentile. Fixed in typo3/cms-backend 4.1.13.