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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-25635 Detail

Description

An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to self sign an ODF document, with a signature untrusted by the target, then modify it to change the signature algorithm to an invalid (or unknown to LibreOffice) algorithm and LibreOffice would incorrectly present such a signature with an unknown algorithm as a valid signature issued by a trusted person This issue affects LibreOffice: from 7.0 before 7.0.5, from 7.1 before 7.1.1.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  Document Foundation, The
CVSS-B 5.2 MEDIUM
Vector:  CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://www.libreoffice.org/about-us/security/advisories/cve-2021-25635/

Weakness Enumeration

CWE-ID CWE Name Source
CWE-295 Improper Certificate Validation Document Foundation, The  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-25635
NVD Published Date:
03/21/2025
NVD Last Modified:
03/21/2025
Source:
Document Foundation, The