CVE-2009-4151

critical

Description

Session fixation vulnerability in html/Elements/SetupSessionCookie in Best Practical Solutions RT 3.0.0 through 3.6.9 and 3.8.x through 3.8.5 allows remote attackers to hijack web sessions by setting the session identifier via a manipulation that leverages "HTTP access to the RT server," a related issue to CVE-2009-3585.

References

https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00832.html

https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00794.html

https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00761.html

https://exchange.xforce.ibmcloud.com/vulnerabilities/54472

https://euvd.enisa.europa.eu/vulnerability/EUVD-2009-4121

http://www.securityfocus.com/bid/37162

http://secunia.com/advisories/37728

http://secunia.com/advisories/37546

http://lists.bestpractical.com/pipermail/rt-announce/2009-November/000177.html

http://lists.bestpractical.com/pipermail/rt-announce/2009-November/000176.html

http://blog.bestpractical.com/2009/11/session-fixation-vulnerability.html

http://bestpractical.typepad.com/files/rt-3.8-session_fixation.patch

http://bestpractical.typepad.com/files/rt-3.6.4-3.6.9-session_fixation.v2.patch

http://bestpractical.typepad.com/files/rt-3.6.2-3.6.3-session_fixation.v3.patch

http://bestpractical.typepad.com/files/rt-3.0.7-3.6.1-session_fixation.v3.patch

http://bestpractical.typepad.com/files/rt-3.0.1-3.0.6-session_fixation.v3.patch

http://bestpractical.typepad.com/files/rt-3.0.0-session_fixation.v3.patch

Details

Source: Mitre, NVD

Published: 2009-12-02

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical

EPSS

EPSS: 0.01838