CVE-2009-5055

Severity: low (CVSS 3.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2011-03-18 · updated 2026-06-16
Weakness: CWE-264

Description

Open Ticket Request System (OTRS) before 2.4.4 grants ticket access on the basis of single-digit substrings of the CustomerID value, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by visiting a ticket, as demonstrated by leveraging the CustomerID 12 account to read tickets that should be available only to CustomerID 1 or CustomerID 2.

Affected products

OTRS AG OTRS: through 2.4.3; 0.5-beta1, 0.5-beta2, 0.5-beta3, 0.5-beta4, 0.5-beta5, 0.5-beta6 (+84)

References

http://bugs.otrs.org/show_bug.cgi?id=4105
http://source.otrs.org/viewvc.cgi/otrs/CHANGES?revision=1.1807
http://bugs.otrs.org/show_bug.cgi?id=4105
http://source.otrs.org/viewvc.cgi/otrs/CHANGES?revision=1.1807

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