Vulnerability in Libreoffice
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 executable type.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.050 (92.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.050 · newest: 0.050 · change: 0.000
Affected products
- Libreoffice
- The Document Foundation Libreoffice — versions 7.1, 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- positive.security/blog/url-open-rce (Exploit, Third Party Advisory)
- www.libreoffice.org/about-us/security/advisories/cve-2021-25631/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-25631?
- CVE-2021-25631 is a high-severity vulnerability in Libreoffice, classified under Incomplete List of Disallowed Inputs. CVSS score: 8.8/10. Published 2021-05-03.
- How severe is CVE-2021-25631?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-25631 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.