CVE-2021-25631
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 5.04% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-184
- Affected
- libreoffice/libreoffice
- Source
- security@documentfoundation.org
References
- https://positive.security/blog/url-open-rce#open-libreofficeExploit, Third Party Advisory
- https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/Vendor Advisory
- https://positive.security/blog/url-open-rce#open-libreofficeExploit, Third Party Advisory
- https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.