CVE-2021-25634 is an Improper Certificate Validation vulnerability in LibreOffice versions prior to 7.0.6 and 7.1.2. It allows an attacker to modify a digitally signed ODF document by inserting a false timestamp, which LibreOffice would then incorrectly display as a valid signature. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity that can lead to high integrity impact, but no confidentiality or availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 7-0, < 7.0.6CPE match | cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:* | ||
>= 7-1, < 7.1.2CPE match | cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:* | ||
>= 7.0.0, < 7.0.6CPE matchmatch criteria | cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:* | ||
>= 7.1.0, < 7.1.2CPE matchmatch criteria | cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:* | ||
11.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.