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Vulnerability details: VCID-zb1h-ucdg-qbch
Vulnerability ID VCID-zb1h-ucdg-qbch
Aliases CVE-2011-4628
GHSA-79gv-5cgx-x6rx
Summary Typo3 Authentication Bypass 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.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-287 Improper Authentication
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.0071 https://api.first.org/data/v1/epss?cve=CVE-2011-4628
epss 0.0071 https://api.first.org/data/v1/epss?cve=CVE-2011-4628
cvssv3.1_qr CRITICAL https://github.com/advisories/GHSA-79gv-5cgx-x6rx
cvssv3.1 9.8 https://github.com/TYPO3/typo3
generic_textual CRITICAL https://github.com/TYPO3/typo3
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2011-4628
generic_textual CRITICAL https://nvd.nist.gov/vuln/detail/CVE-2011-4628
cvssv3.1 9.8 https://security-tracker.debian.org/tracker/CVE-2011-4628
generic_textual CRITICAL https://security-tracker.debian.org/tracker/CVE-2011-4628
cvssv3.1 9.8 https://typo3.org/security/advisory/typo3-core-sa-2011-001/#Authentication_Delay_Bypass
generic_textual CRITICAL https://typo3.org/security/advisory/typo3-core-sa-2011-001/#Authentication_Delay_Bypass
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2011-4628
https://github.com/TYPO3/typo3
https://nvd.nist.gov/vuln/detail/CVE-2011-4628
https://security-tracker.debian.org/tracker/CVE-2011-4628
https://typo3.org/security/advisory/typo3-core-sa-2011-001/#Authentication_Delay_Bypass
GHSA-79gv-5cgx-x6rx https://github.com/advisories/GHSA-79gv-5cgx-x6rx
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/TYPO3/typo3
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2011-4628
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://security-tracker.debian.org/tracker/CVE-2011-4628
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://typo3.org/security/advisory/typo3-core-sa-2011-001/#Authentication_Delay_Bypass
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.71251
EPSS Score 0.0071
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:22:59.590942+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/04/GHSA-79gv-5cgx-x6rx/GHSA-79gv-5cgx-x6rx.json 36.1.3