CVE-2009-4151
Session fixation vulnerability in html/Elements/SetupSessionCookie in Best Practical Solutions RT...
CVE-2009-4151 is a medium vulnerability (CVSS 5.8) in Bestpractical Rt, published December 2, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.84%, the 79th percentile. No source names a fixed version.
- Severity
- 5.8 MediumCVSS 2.0, NVD
- Exploit chance
- 1.84%EPSS, 79th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
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.
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
request-tracker3.6Debian:4.0 From an advisory covering 2 CVEs | before 3.6.1-4+etch1, plus listed versions 3.6.1-4 | 3.6.1-4+etch1 |
request-tracker3.4Debian:4.0 From an advisory covering 2 CVEs | before 3.4.5-2+etch1, plus listed versions 3.4.5-2 | 3.4.5-2+etch1 |
request-tracker3.6Debian:5.0 From an advisory covering 2 CVEs | before 3.6.7-5+lenny3, plus listed versions 3.6.7-53.6.7-5+lenny13.6.7-5+lenny2 | 3.6.7-5+lenny3 |
What each source reports
NVD Score used
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.
- Record
CVE-2009-4151- CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2009-4151- Updated
- 2026-11-02
EUVDEUVD-2009-4121No score
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.
- Record
EUVD-2009-4121- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pcr4-mc8q-h9h5No score
Session fixation vulnerability in html/Elements/SetupSessionCookie in Best Practical Solutions RT...
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.
- Record
GHSA-pcr4-mc8q-h9h5- Weakness
- CWE-287
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
lists.bestpractical.com/pipermail/rt-announce/2009-November/000177.html
redhat.com/archives/fedora-package-announce/2009-December/msg00761.html
bestpractical.typepad.com/files/rt-3.6.2-3.6.3-session_fixation.v3.patch
secunia.com/advisories/37546
exchange.xforce.ibmcloud.com/vulnerabilities/54472
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blog.bestpractical.com/2009/11/session-fixation-vulnerability.html
securityfocus.com/bid/37162
nvd.nist.gov/vuln/detail/CVE-2009-4151
github.com/advisories/GHSA-pcr4-mc8q-h9h5