CVE-2020-1766

Name: CVE-2020-1766
Creator: NVD / NIST
Published: 2020-01-10T15:15:12.05+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.27%

Last modified Jun 17, 2026

CVE-2020-1766 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Due to improper handling of uploaded images it is possible in very unlikely and rare conditions to force the agents browser to execute malicious javascript from a special crafted SVG file rendered as inline jpg file. 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 1.27% chance of exploitation in the next 30 days.

Description

Due to improper handling of uploaded images it is possible in very unlikely and rare conditions to force the agents browser to execute malicious javascript from a special crafted SVG file rendered as inline jpg file. 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

6.1/10

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

EPSS Probability

1.27%

66.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

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

References

http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00038.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00066.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00077.htmlBroken Link
https://lists.debian.org/debian-lts-announce/2020/01/msg00027.htmlMailing List, Not Applicable, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html
https://otrs.com/release-notes/otrs-security-advisory-2020-02/Patch, Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00038.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00066.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00077.htmlBroken Link
https://lists.debian.org/debian-lts-announce/2020/01/msg00027.htmlMailing List, Not Applicable, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html
https://otrs.com/release-notes/otrs-security-advisory-2020-02/Patch, Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-1766?

How severe is CVE-2020-1766?

CVE-2020-1766 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.27% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1766?

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-2020-1766?

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

Scan your code now

Source: NVD / NIST