CVE-2021-41831
mediumpriority · track · 22EPSS 0.015 · 74 %ileEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (6)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://lists.apache.org/thread.html/ra74d5057cdc781a36286a83e8bcbc90a7678f030ae73339c35dfc4f9%40%3Cusers.openoffice.apache.org%3Ecnnvd
- https://lists.apache.org/thread.html/rc5c277cb83e335696657c5f27da1d1e2b5cb48346b0b55415a233757@%3Cannounce.apache.org%3Ecnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-41831cnnvd
- https://vigilance.fr/vulnerability/Apache-OpenOffice-LibreOffice-spoofing-via-Signature-Wrapping-Timestamp-Manipulation-36624cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2021101111cnnvd
- https://lists.apache.org/thread.html/ra74d5057cdc781a36286a83e8bcbc90a7678f030ae73339c35dfc4f9%40%3Cusers.openoffice.apache.org%3Eenisa_euvd
- https://lists.apache.org/thread.html/rc5c277cb83e335696657c5f27da1d1e2b5cb48346b0b55415a233757%40%3Cannounce.apache.org%3Eenisa_euvd
- https://lists.apache.org/thread.html/ra74d5057cdc781a36286a83e8bcbc90a7678f030ae73339c35dfc4f9%40%3Cusers.openoffice.apache.org%3EMailing ListVendor Advisorynvd
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