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Fencer Vulns
medium 5.8

CVE-2009-3585 json

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…

published 2009-12-02 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3566

cvss
5.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

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 a second web server within the same domain.

Patch / fix

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2009-3585 updated cvss 4.3

rt3: session hijack

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.74% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.