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CVE-2014-3945

TYPO3 vulnerable to authentication bypass via leveraging knowledge of password hash

4.0 MediumFix available

The Authentication component in TYPO3 before 6.2, when salting for password hashing is disabled, does not require knowledge of the cleartext password if the password hash is known, which allows remote attackers to bypass authentication and gain access to the backend by leveraging knowledge of a password hash.

Exploit likelihood

1.64%Up 0.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.0

The Authentication component in TYPO3 before 6.2, when salting for password hashing is disabled, does not require knowledge of the cleartext password if the password hash is known, which allows remote attackers to bypass authentication and gain access to the backend by leveraging knowledge of a password hash.

Record
CVE-2014-3945
CVSS 2.0
4.0 MediumAV:N/AC:H/Au:N/C:P/I:P/A:N
Weakness
CWE-287
Updated
2026-11-02
CVE List No score

The Authentication component in TYPO3 before 6.2, when salting for password hashing is disabled, does not require knowledge of the cleartext password if the password hash is known, which allows remote attackers to bypass authentication and gain access to the backend by leveraging knowledge of a password hash.

Record
CVE-2014-3945
Updated
2026-11-02
EUVDEUVD-2014-3879 No score

The Authentication component in TYPO3 before 6.2, when salting for password hashing is disabled, does not require knowledge of the cleartext password if the password hash is known, which allows remote attackers to bypass authentication and gain access to the backend by leveraging knowledge of a password hash.

Record
EUVD-2014-3879
Updated
2026-11-03
GitHub AdvisoriesGHSA-h7wf-jg4f-x2wc 9.1

TYPO3 vulnerable to authentication bypass via leveraging knowledge of password hash

The Authentication component in TYPO3 before 6.2, when salting for password hashing is disabled, does not require knowledge of the cleartext password if the password hash is known, which allows remote attackers to bypass authentication and gain access to the backend by leveraging knowledge of a password hash.

Record
GHSA-h7wf-jg4f-x2wc
CVSS 4.0
9.1 CriticalCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-287
Updated
2026-11-02
OSVGHSA-h7wf-jg4f-x2wc 9.1

TYPO3 vulnerable to authentication bypass via leveraging knowledge of password hash

The Authentication component in TYPO3 before 6.2, when salting for password hashing is disabled, does not require knowledge of the cleartext password if the password hash is known, which allows remote attackers to bypass authentication and gain access to the backend by leveraging knowledge of a password hash.

Record
GHSA-h7wf-jg4f-x2wc
CVSS 4.0
9.1 CriticalCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-287
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
typo3/cms
Packagist
before 6.2.0
6.2.0
typo3-src
Debian:7
From an advisory covering 6 CVEs
before 4.5.19+dfsg1-5+wheezy3, plus listed versions
4.5.19+dfsg1-54.5.19+dfsg1-5+wheezy14.5.19+dfsg1-5+wheezy2
4.5.19+dfsg1-5+wheezy3

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2014-3945 is a medium vulnerability (CVSS 4.0) in Typo3, published May 31, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.64%, the 76th percentile. Fixed in typo3/cms 6.2.0.

References

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