CVE-2011-4628

highpriority · track · 40EPSS 0.016 · 76 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.65% (76th) EPSS

CVSS 7.5 · high

Is it mine?

7 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to bypass authentication mechanisms in the backend through a crafted request.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USprimaryCWE-287US

affected products (7)

Products and version ranges known to be affected.

TYPO3 TYPO3≤ before 4.5.4enisa_euvdEU
typo3 typo34.3.0 → 4.3.12nvdUScpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
typo3 typo34.4.0 → 4.4.9nvdUScpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
typo3 typo34.5.0 → 4.5.4nvdUScpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
Packagist typo3/cms< 4.3.12osvUSpkg:composer/typo3/cms
Packagist typo3/cms4.4.0 → 4.4.9osvUSpkg:composer/typo3/cms
Packagist typo3/cms4.5.0 → 4.5.4osvUSpkg:composer/typo3/cms

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-79gv-5cgx-x6rxTypo3 Authentication Bypass2022-04-22ghsa · osvUS
TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to bypass authentication mechanisms in the backend through a crafted request.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2019-11-06modified 2026-06-16

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+7709 more

references (7)

External citations — patches, advisories, analysis.

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