How severe is CVE-2021-25631?

CVE-2021-25631 has a severity rating of 8.8 (critical).

What is the description of CVE-2021-25631?

CVE-2021-25631 allows the circumvention of the denylist in LibreOffice, potentially enabling the execution of malicious code.

Which software versions are affected by CVE-2021-25631?

The LibreOffice 7-1 series in versions prior to 7.1.2 and the 7-0 series in versions prior to 7.0.5 are affected by CVE-2021-25631.

How can CVE-2021-25631 be exploited?

CVE-2021-25631 can be exploited by manipulating a link to bypass the denylist and execute arbitrary code using ShellExecute.

Vulnerability/
CVE-2021-25631

critical

9.3

CWE

184

3/5/2021

16/9/2024

CVE-2021-25631: denylist of executable filename extensions possible to bypass under windows

Q: What is CVE-2021-25631?

CVE-2021-25631 is a vulnerability in the LibreOffice 7-1 series in versions prior to 7.1.2 and in the 7-0 series in versions prior to 7.0.5.

First published: Mon May 03 2021(Updated: )

In the LibreOffice 7-1 series in versions prior to 7.1.2, and in the 7-0 series in versions prior to 7.0.5, the denylist can be circumvented by manipulating the link so it doesn't match the denylist but results in ShellExecute attempting to launch an executable type.

Credit: security@documentfoundation.org

Affected Software	Affected Version	How to fix
Libreoffice Libreoffice	>=7.0.0<7.0.5
Libreoffice Libreoffice	>=7.1.0<7.1.2

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is CVE-2021-25631?
CVE-2021-25631 is a vulnerability in the LibreOffice 7-1 series in versions prior to 7.1.2 and in the 7-0 series in versions prior to 7.0.5.
How severe is CVE-2021-25631?
CVE-2021-25631 has a severity rating of 8.8 (critical).
What is the description of CVE-2021-25631?
CVE-2021-25631 allows the circumvention of the denylist in LibreOffice, potentially enabling the execution of malicious code.
Which software versions are affected by CVE-2021-25631?
The LibreOffice 7-1 series in versions prior to 7.1.2 and the 7-0 series in versions prior to 7.0.5 are affected by CVE-2021-25631.
How can CVE-2021-25631 be exploited?
CVE-2021-25631 can be exploited by manipulating a link to bypass the denylist and execute arbitrary code using ShellExecute.

agent/references
agent/type
agent/softwarecombine
agent/severity
agent/weakness
agent/title
agent/author
agent/description
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/first-publish-date
agent/event
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/libreoffice
canonical/the document foundation libreoffice
version/the document foundation libreoffice/7.0.0
version/the document foundation libreoffice/7.1.0

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.