CVE-2021-41831
Timestamp Manipulation with Signature Wrapping
It is possible for an attacker to manipulate the timestamp of signed documents. All versions of Apache OpenOffice up to 4.1.10 are affected. Users are advised to update to version 4.1.11. See CVE-2021-25634 for the LibreOffice advisory.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
It is possible for an attacker to manipulate the timestamp of signed documents. All versions of Apache OpenOffice up to 4.1.10 are affected. Users are advised to update to version 4.1.11. See CVE-2021-25634 for the LibreOffice advisory.
- Record
CVE-2021-41831- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-347
- Updated
- 2026-11-02
CVE List No score
Timestamp Manipulation with Signature Wrapping
It is possible for an attacker to manipulate the timestamp of signed documents. All versions of Apache OpenOffice up to 4.1.10 are affected. Users are advised to update to version 4.1.11. See CVE-2021-25634 for the LibreOffice advisory.
- Record
CVE-2021-41831- Weakness
- CWE-347
- Updated
- 2026-11-02
EUVDEUVD-2021-28832 No score
It is possible for an attacker to manipulate the timestamp of signed documents. All versions of Apache OpenOffice up to 4.1.10 are affected. Users are advised to update to version 4.1.11. See CVE-2021-25634 for the LibreOffice advisory.
- Record
EUVD-2021-28832- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r2f7-jghr-r7x9 No score
It is possible for an attacker to manipulate the timestamp of signed documents. All versions of...
It is possible for an attacker to manipulate the timestamp of signed documents. All versions of Apache OpenOffice up to 4.1.10 are affected. Users are advised to update to version 4.1.11. See CVE-2021-25634 for the LibreOffice advisory.
- Record
GHSA-r2f7-jghr-r7x9- Weakness
- CWE-347
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-41831 is a medium vulnerability (CVSS 5.3) in Apache Openoffice, published October 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.50%, the 74th percentile. No source names a fixed version.
References
lists.apache.org/thread.html/ra74d5057cdc781a36286a83e8bcbc90a7678f030ae73339c35dfc4f9%40%3Cusers.openoffice.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2021-41831
github.com/advisories/GHSA-r2f7-jghr-r7x9