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CVE-2009-3628

14
FAUCET Score

CVE-2009-3628 describes an information disclosure vulnerability in the Backend subcomponent of TYPO3 versions 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. This flaw allows remote authenticated users to determine an encryption key by providing crafted input to a tt_content form element. With a CVSS score of 4.0, this vulnerability has a network attack vector and low attack complexity, but only impacts confidentiality, allowing for information disclosure without affecting integrity or availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.0.12CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
0.1.2CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:0.1.2:*:*:*:*:*:*:*
1.0.14CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:1.0.14:*:*:*:*:*:*:*
1.1CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:1.1:*:*:*:*:*:*:*
1.1.1CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:1.1.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

AV:N/AC:L/Au:S/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.13%
Probability of exploitation in next 30 days
EPSS Percentile
63.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0113 is in the 77th percentile among its peer group of 21,977 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: typo3/cms-backendFixed in: 4.1.13
composerpatch availablevia ghsa
Product: typo3/cms-backendFixed in: 4.2.10
composerpatch availablevia ghsa
Product: typo3/cms-backendFixed in: 4.3beta2

Vendor Advisories (1)

composerGHSA-2wgg-c8xc-7gg3medium

TYPO3 Backend Discloses Encryption Key

May 2, 2022

References

marc.info
secunia.com / advisories/37122
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/53917
typo3.org / teams/security/security-bulletins/typo3-sa-2009-016
Vendor Advisory
securityfocus.com / bid/36801
Patch
vupen.com / english/advisories/2009/3009
Vendor Advisory