CVE-2021-20225
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-20225
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20225.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-20225
- Downstream
- Related
- Published
- 2021-03-03T17:15:11Z
- Modified
- 2025-08-09T19:01:26Z
- Severity
-
- 6.7 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
A flaw was found in grub2 in versions prior to 2.06. The option parser allows an attacker to write past the end of a heap-allocated buffer by calling certain commands with a large number of specific short forms of options. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
- References