CVE-2021-41830

Double Certificate Attack

Description

It is possible for an attacker to manipulate signed documents and macros to appear to come from a trusted source. All versions of Apache OpenOffice up to 4.1.10 are affected. Users are advised to update to version 4.1.11. See CVE-2021-25633 for the LibreOffice advisory.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.70% Top 30%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache OpenOffice
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-41830?
CVE-2021-41830 has been scored as a high severity vulnerability.
How to fix CVE-2021-41830?
To fix CVE-2021-41830, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-41830 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-41830 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-41830?
CVE-2021-41830 affects Apache Software Foundation Apache OpenOffice.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.