{"cve":"CVE-2001-1534","nvd":{"published":"2001-12-31T05:00:00.000","modified":"2026-06-16T21:56:27.367","status":"Modified","description":"mod_usertrack in Apache 1.3.11 through 1.3.20 generates session ID's using predictable information including host IP address, system time and server process ID, which allows local users to obtain session ID's and bypass authentication when these session ID's are used for authentication.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-384"],"references":["http://cert.uni-stuttgart.de/archive/bugtraq/2001/11/msg00084.html","http://www.iss.net/security_center/static/7494.php","http://www.securityfocus.com/bid/3521","http://cert.uni-stuttgart.de/archive/bugtraq/2001/11/msg00084.html","http://www.iss.net/security_center/static/7494.php"],"products":["apache:http_server"],"source":"nvd","synced_at":"2026-10-19T19:34:38.930894741+00:00"},"epss":{"cve":"CVE-2001-1534","score":0.0073,"percentile":0.54284,"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."]}