What is CVE-2013-3551?

CVE-2013-3551 is a medium-severity vulnerability in Otrs, classified under Information Disclosure. CVSS score: 6.5/10. Published 2020-02-21.

How severe is CVE-2013-3551?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Information disclosure in Otrs

CVE-2013-3551

Kernel/Modules/AgentTicketPhone.pm in Open Ticket Request System (OTRS) 3.0.x before 3.0.20, 3.1.x before 3.1.16, and 3.2.x before 3.2.7, and OTRS ITSM 3.0.x before 3.0.8, 3.1.x before 3.1.9, and 3.2.x before 3.2.5 does not properly restrict tickets, which allows remote attackers with a valid agent login to read restricted tickets via a crafted URL involving the ticket split mechanism.

Vulnerability class: Information Disclosure

Published 2020-02-21 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.016 (74.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

advisories.mageia.org/MGASA-2013-0196.html (Third Party Advisory)
bugs.gentoo.org/show_bug.cgi (Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2013-3551?: CVE-2013-3551 is a medium-severity vulnerability in Otrs, classified under Information Disclosure. CVSS score: 6.5/10. Published 2020-02-21.
How severe is CVE-2013-3551?: Medium severity. CVSS v3 base score is 6.5 out of 10.