An issue was discovered in Open Ticket Request System (OTRS) 5.0.31 and 6.0.13.

published 2019-03-13 7y ago modified 2026-06-17 4mo ago also EUVD-2018-13343

cvss: 6.5; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits: 0; none known

An issue was discovered in Open Ticket Request System (OTRS) 5.0.31 and 6.0.13. Users updating to 6.0.13 (also patchlevel updates) or 5.0.31 (only major updates) will experience data loss in their agent preferences table.

Patch / fix

distros 1 links 1

otrs2 Debian 11 6.0.14-1

debian advisories DEBIAN-CVE-2018-20800

community.otrs.com/security-advisory-2018-10-security-update-for-otrs-framewo… advisory

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Exploit prediction

0.99% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.5	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD	2.0	5.5	AV:N/AC:L/Au:S/C:N/I:P/A:P

Classification

Weakness

CWE-20 Improper Input Validation

References

community.otrs.com /security-advisory-2018-10-security-update-for-otrs-framework
mitigation, patch, vendor-advisory

Sources

CVE List CVE-2018-20800
NVD CVE-2018-20800

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