{"cve":"CVE-2012-4529","nvd":{"published":"2013-10-28T21:55:04.923","modified":"2026-06-16T23:45:16.063","status":"Modified","description":"The org.apache.catalina.connector.Response.encodeURL method in Red Hat JBoss Web 7.1.x and earlier, when the tracking mode is set to COOKIE, sends the jsessionid in the URL of the first response of a session, which allows remote attackers to obtain the session id (1) via a man-in-the-middle attack or (2) by reading a log.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://ocpsoft.org/support/topic/session-id-is-appended-as-url-path-parameter-in-very-first-request/","http://rhn.redhat.com/errata/RHSA-2013-0833.html","http://rhn.redhat.com/errata/RHSA-2013-0834.html","http://rhn.redhat.com/errata/RHSA-2013-0839.html","http://rhn.redhat.com/errata/RHSA-2013-1437.html"],"products":["redhat:jboss_community_application_server","redhat:jboss_enterprise_application_platform"],"source":"nvd","synced_at":"2026-10-19T20:30:15.895642412+00:00"},"epss":{"cve":"CVE-2012-4529","score":0.01977,"percentile":0.80504,"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."]}