{"cve":"CVE-2012-4392","nvd":{"published":"2012-09-05T23:55:02.880","modified":"2026-06-16T23:44:55.860","status":"Modified","description":"index.php in ownCloud 4.0.7 does not properly validate the oc_token cookie, which allows remote attackers to bypass authentication via a crafted oc_token cookie value.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-287"],"references":["http://www.openwall.com/lists/oss-security/2012/08/11/1","http://www.openwall.com/lists/oss-security/2012/09/02/2","https://github.com/owncloud/core/commit/4fd069b47906ebcf83887970c732d464dbe7d37a","http://www.openwall.com/lists/oss-security/2012/08/11/1","http://www.openwall.com/lists/oss-security/2012/09/02/2"],"products":["owncloud:owncloud_server"],"source":"nvd","synced_at":"2026-10-19T20:25:53.526315492+00:00"},"epss":{"cve":"CVE-2012-4392","score":0.028,"percentile":0.86467,"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."]}