What is CVE-2020-1768?

CVE-2020-1768 is a medium-severity vulnerability in Otrs, classified under Insufficient Session Expiration. CVSS score: 5.4/10. Published 2020-02-07.

How severe is CVE-2020-1768?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in Otrs

CVE-2020-1768

The external frontend system uses numerous background calls to the backend. Each background request is treated as user activity so the SessionMaxIdleTime will not be reached. This issue affects: OTRS 7.0.x version 7.0.14 and prior versions.

Published 2020-02-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L.

EPSS exploit prediction

EPSS: 0.007 (53.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Otrs
Otrs Ag — versions 7.0.x

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

otrs.com/release-notes/otrs-security-advisory-2020-04/ (Vendor Advisory)

Frequently asked questions

What is CVE-2020-1768?: CVE-2020-1768 is a medium-severity vulnerability in Otrs, classified under Insufficient Session Expiration. CVSS score: 5.4/10. Published 2020-02-07.
How severe is CVE-2020-1768?: Medium severity. CVSS v3 base score is 5.4 out of 10.