Home/CVE/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
CVE

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

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.

HIGH · CVSS 8.8 EPSS 0.01324
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  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-184Incomplete List of Disallowed Inputs
▤

Affected Products & Versions

2
libreoffice>= 7.0.0 and < 7.0.5
libreoffice>= 7.1.0 and < 7.1.2
⚠

Public Exploits & PoCs

1
pocpositive.security · url-open-rce#open-libreofficepositive.security
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · security@documentfoundation.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 May 2021 · 12:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/Vendor Advisory
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