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Fencer Vulns
medium 5.0

CVE-2009-0815 json

TYPO3 leaks a hash secret in an error message

published 2009-03-05 17 y ago modified 2026-06-16 4 mo ago also GHSA-c22j-84c7-cm77 , EUVD-2009-0813

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
42.2%
EPSS 42.2% chance of exploitation in 30 days, percentile 98%
public exploits
2
Metasploit, Exploit-DB

Summary

The jumpUrl mechanism in class.tslib_fe.php in TYPO3 3.3.x through 3.8.x, 4.0 before 4.0.12, 4.1 before 4.1.10, 4.2 before 4.2.6, and 4.3alpha1 leaks a hash secret (juHash) in an error message, which allows remote attackers to read arbitrary files by including the hash in a request.

Patch / fix

  • packagist typo3/cms 4.0.12, 4.1.10, 4.2.6

Timeline

  1. First public exploit (Metasploit auxiliary/admin/http/typo3_sa_2009_002)
  2. Published

Exploit prediction

42.23% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected packages

ecosystem package affected fixed in
packagist typo3/cms
>=3.3, <4.0.12
>=4.1, <4.1.10
>=4.2, <4.2.6
4.0.12
4.1.10
4.2.6

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-209 Generation of Error Message Containing Sensitive Information

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.