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Fencer Vulns
medium 5.3

CVE-2022-36105 json

User Enumeration via Response Timing in TYPO3

published 2022-09-13 4 y ago modified 2026-06-17 4 mo ago also BIT-typo3-2022-36105 , EUVD-2022-6867 , GHSA-m392-235j-9r7r

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

TYPO3 is an open source PHP based web content management system released under the GNU GPL. It has been discovered that observing response time during user authentication (backend and frontend) can be used to distinguish between existing and non-existing user accounts. Extension authors of 3rd party TYPO3 extensions providing a custom authentication service should check if the extension is affected by the described problem. Affected extensions must implement new `MimicServiceInterface::mimicAuthUser`, which simulates corresponding times regular processing would usually take. Update to TYPO3 version 7.6.58 ELTS, 8.7.48 ELTS, 9.5.37 ELTS, 10.4.32 or 11.5.16 that fix this problem. There are no known workarounds for this issue.

Patch / fix

  • packagist typo3/cms-core 7.6.58, 8.7.48, 9.5.37, 10.4.32, 11.5.16
  • packagist typo3/cms 10.4.32, 11.5.16
  • bitnami typo3 7.6.57, 8.7.47, 9.5.36, 10.4.31, 11.5.15

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

1.29% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
OSV 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
packagist typo3/cms-core
>=7.0.0, <7.6.58
>=8.0.0, <8.7.48
>=9.0.0, <9.5.37
>=10.0.0, <10.4.32
>=11.0.0, <11.5.16
7.6.58
8.7.48
9.5.37
10.4.32
11.5.16
packagist typo3/cms
>=10.0.0, <10.4.32
>=11.0.0, <11.5.16
10.4.32
11.5.16
bitnami typo3
>=7.0.0, <7.6.57
>=8.0.0, <8.7.47
>=9.0.0, <9.5.36
>=10.0.0, <10.4.31
>=11.0.0, <11.5.15
7.6.57
8.7.47
9.5.36
10.4.31
11.5.15

Affected products

  • TYPO3 typo3

Classification

Weakness

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.