CVE-2020-1767: Possible to send drafted messages as wrong agent

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-01-10 · updated 2026-06-17

Description

Agent A is able to save a draft (i.e. for customer reply). Then Agent B can open the draft, change the text completely and send it in the name of Agent A. For the customer it will not be visible that the message was sent by another agent. This issue affects: ((OTRS)) Community Edition 6.0.x version 6.0.24 and prior versions. OTRS 7.0.x version 7.0.13 and prior versions.

Affected products

Debian Linux: 8.0
OTRS AG OTRS: from 6.0.0 through 6.0.24; from 7.0.0 through 7.0.13

References

https://lists.debian.org/debian-lts-announce/2020/01/msg00027.html
https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html
https://otrs.com/release-notes/otrs-security-advisory-2020-03/
https://lists.debian.org/debian-lts-announce/2020/01/msg00027.html
https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html
https://otrs.com/release-notes/otrs-security-advisory-2020-03/

Get alerted when CVE-2020-1767 or the next vulnerability affects your stack