CVE-2010-4767

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-03-18 · updated 2026-06-16
Weakness: CWE-20

Description

Open Ticket Request System (OTRS) before 2.3.6 does not properly handle e-mail messages in which the From line contains UTF-8 characters associated with diacritical marks and an invalid charset, which allows remote attackers to cause a denial of service (duplicate tickets and duplicate auto-responses) by sending a crafted message to a POP3 mailbox.

Affected products

OTRS AG OTRS: through 2.3.5; 0.5-beta1, 0.5-beta2, 0.5-beta3, 0.5-beta4, 0.5-beta5, 0.5-beta6 (+74)

References

http://bugs.otrs.org/show_bug.cgi?id=3426
http://source.otrs.org/viewvc.cgi/otrs/CHANGES?revision=1.1807
http://bugs.otrs.org/show_bug.cgi?id=3426
http://source.otrs.org/viewvc.cgi/otrs/CHANGES?revision=1.1807

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