CVE-2020-1765

Name: CVE-2020-1765
Creator: NVD / NIST
Published: 2020-01-10T15:15:11.723+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.50%

Last modified Jun 17, 2026

CVE-2020-1765 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. An improper control of parameters allows the spoofing of the from fields of the following screens: AgentTicketCompose, AgentTicketForward, AgentTicketBounce and AgentTicketEmailOutbound. This issue affects: ((OTRS)) Community Edition 5.0.x version 5.0.39 and prior versions; 6.0.x version 6.0.24 and prior versions. EPSS estimates a 1.50% chance of exploitation in the next 30 days.

Description

An improper control of parameters allows the spoofing of the from fields of the following screens: AgentTicketCompose, AgentTicketForward, AgentTicketBounce and AgentTicketEmailOutbound. This issue affects: ((OTRS)) Community Edition 5.0.x version 5.0.39 and prior versions; 6.0.x version 6.0.24 and prior versions. OTRS 7.0.x version 7.0.13 and prior versions.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS Probability

1.50%

71.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-472

Affected Software

Vendor	Product	Versions
Otrs	Otrs	>= 5.0.0, <= 5.0.39
Otrs	Otrs	>= 6.0.0, <= 6.0.24
Otrs	Otrs	>= 7.0.0, <= 7.0.13
Debian	Debian Linux	8.0
Opensuse	Backports Sle	15.0
Opensuse	Leap	15.1
Opensuse	Leap	15.2

References

http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00038.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00066.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00077.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00027.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html
https://otrs.com/release-notes/otrs-security-advisory-2020-01/Patch, Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00038.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00066.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00077.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00027.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html
https://otrs.com/release-notes/otrs-security-advisory-2020-01/Patch, Vendor Advisory

Timeline

Published: Jan 10, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-1765?

How severe is CVE-2020-1765?

CVE-2020-1765 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.50% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1765?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-1765?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST