High severityNVD Advisory· Published Jan 22, 2009· Updated Jun 16, 2026
CVE-2009-0256
CVE-2009-0256
Description
Session fixation vulnerability in the authentication library in TYPO3 4.0.0 through 4.0.9, 4.1.0 through 4.1.7, and 4.2.0 through 4.2.3 allows remote attackers to hijack web sessions via unspecified vectors related to (1) frontend and (2) backend authentication.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
typo3/cmsPackagist | >= 4.0.0, < 4.0.10 | 4.0.10 |
typo3/cmsPackagist | >= 4.1.0, < 4.1.8 | 4.1.8 |
typo3/cmsPackagist | >= 4.2.0, < 4.2.4 | 4.2.4 |
Affected products
25cpe:2.3:a:typo3:typo3:4.0:*:*:*:*:*:*:*+ 23 more
- cpe:2.3:a:typo3:typo3:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.1.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.1.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.1.6:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.1.7:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:4.2.3:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
10- secunia.com/advisories/33617nvdVendor Advisory
- typo3.org/teams/security/security-bulletins/typo3-sa-2009-001/nvdVendor Advisory
- github.com/advisories/GHSA-q45q-5233-229pghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2009-0256ghsaADVISORY
- typo3.org/teams/security/security-bulletins/typo3-sa-2009-001ghsaWEB
- www.debian.org/security/2009/dsa-1711nvdWEB
- exchange.xforce.ibmcloud.com/vulnerabilities/48133nvdWEB
- web.archive.org/web/20111210005350/http://www.securityfocus.com/bid/33376ghsaWEB
- secunia.com/advisories/33679nvd
- www.securityfocus.com/bid/33376nvd
News mentions
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