CVE-2020-12802

Name: CVE-2020-12802
Creator: NVD / NIST
Published: 2020-06-08T16:15:09.993+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.93%

Last modified Jun 17, 2026

CVE-2020-12802 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. LibreOffice has a 'stealth mode' in which only documents from locations deemed 'trusted' are allowed to retrieve remote resources. This mode is not the default mode, but can be enabled by users who want to disable LibreOffice's ability to include remote resources within a document. EPSS estimates a 1.93% chance of exploitation in the next 30 days.

Description

LibreOffice has a 'stealth mode' in which only documents from locations deemed 'trusted' are allowed to retrieve remote resources. This mode is not the default mode, but can be enabled by users who want to disable LibreOffice's ability to include remote resources within a document. A flaw existed where remote graphic links loaded from docx documents were omitted from this protection prior to version 6.4.4. This issue affects: The Document Foundation LibreOffice versions prior to 6.4.4.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

1.93%

77.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Libreoffice	Libreoffice	< 6.4.4
Fedoraproject	Fedora	31
Opensuse	Leap	15.1
Opensuse	Leap	15.2

References

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00042.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00058.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/12/msg00026.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PQIBAKXD7VO5IGBD7ZMH3GGBNR5R2IOA/
https://www.libreoffice.org/about-us/security/advisories/CVE-2020-12802Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00042.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00058.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/12/msg00026.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PQIBAKXD7VO5IGBD7ZMH3GGBNR5R2IOA/
https://www.libreoffice.org/about-us/security/advisories/CVE-2020-12802Vendor Advisory

Timeline

Published: Jun 8, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12802?

How severe is CVE-2020-12802?

CVE-2020-12802 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.93% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12802?

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-2020-12802?

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

Scan your code now

Source: NVD / NIST