{"cve":"CVE-2009-0256","nvd":{"published":"2009-01-22T23:30:04.437","modified":"2026-06-16T23:04:36.020","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-287"],"references":["http://secunia.com/advisories/33617","http://secunia.com/advisories/33679","http://typo3.org/teams/security/security-bulletins/typo3-sa-2009-001/","http://www.debian.org/security/2009/dsa-1711","http://www.securityfocus.com/bid/33376"],"products":["typo3:typo3"],"source":"nvd","synced_at":"2026-10-19T19:53:23.791937413+00:00"},"epss":{"cve":"CVE-2009-0256","score":0.01793,"percentile":0.78409,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}