CVE-2004-2182: Macromedia Jrun

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

Session fixation vulnerability in Macromedia JRun 4.0 allows remote attackers to hijack user sessions by pre-setting the user session ID information used by the session server.

Affected products

• Macromedia Jrun: version 4.0 only; version 4.0_build_61650 only

Published 2004-12-31. Last modified 2026-06-16.