CVE-2021-25631
Last modified
CVE-2021-25631 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. In the LibreOffice 7-1 series in versions prior to 7.1.2, and in the 7-0 series in versions prior to 7.0.5, the denylist can be circumvented by manipulating the link so it doesn't match the denylist but results in ShellExecute attempting to launch an executable type.. EPSS estimates a 4.17% chance of exploitation in the next 30 days.
Description
In the LibreOffice 7-1 series in versions prior to 7.1.2, and in the 7-0 series in versions prior to 7.0.5, the denylist can be circumvented by manipulating the link so it doesn't match the denylist but results in ShellExecute attempting to launch an executable type.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libreoffice | Libreoffice | >= 7.0.0, < 7.0.5 |
| Libreoffice | Libreoffice | >= 7.1.0, < 7.1.2 |
References
- https://positive.security/blog/url-open-rce#open-libreofficeExploit, Third Party Advisory
- https://positive.security/blog/url-open-rce#open-libreofficeExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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