What is CVE-2020-1775?

CVE-2020-1775 is a low-severity vulnerability in Otrs, classified under Information Disclosure. CVSS score: 3.5/10. Published 2020-06-08.

How severe is CVE-2020-1775?

Low severity. CVSS v3 base score is 3.5 out of 10.

Information disclosure in Otrs

CVE-2020-1775

BCC recipients in mails sent from OTRS are visible in article detail on external interface. This issue affects OTRS: 8.0.3 and prior versions, 7.0.17 and prior versions.

Vulnerability class: Information Disclosure

Published 2020-06-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Otrs
Otrs Ag — versions 7.0.x, 8.0.x

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

otrs.com/release-notes/otrs-security-advisory-2020-12/ (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2020-1775?: CVE-2020-1775 is a low-severity vulnerability in Otrs, classified under Information Disclosure. CVSS score: 3.5/10. Published 2020-06-08.
How severe is CVE-2020-1775?: Low severity. CVSS v3 base score is 3.5 out of 10.