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CVE-2020-25647 Details
Description
A flaw was found in grub2 in versions prior to 2.06. During USB device initialization, descriptors are read with very little bounds checking and assumes the USB device is providing sane values. If properly exploited, an attacker could trigger memory corruption leading to arbitrary code execution allowing a bypass of the Secure Boot mechanism. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1886936 | CVE | Issue TrackingPatchThird Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZWZ36QK4IKU6MWDWNOOWKPH3WXZBHT2R/ | CVE | |
| https://security.gentoo.org/glsa/202104-05 | CVE | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20220325-0001/ | CVE | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1886936 | [email protected] | Issue TrackingPatchThird Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZWZ36QK4IKU6MWDWNOOWKPH3WXZBHT2R/ | [email protected] | |
| https://security.gentoo.org/glsa/202104-05 | [email protected] | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20220325-0001/ | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-787 | Out-of-bounds Write | [email protected] |
| CWE-787 | Out-of-bounds Write | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| gnu grub2 | < 2.06 |
CPE
Remediation
| |
| redhat enterprise linux | 7.0 8.0 |
CPE
Remediation
| |
| redhat enterprise linux server aus | 7.2 7.3 7.4 7.6 7.7 8.2 |
CPE
Remediation
| |
| redhat enterprise linux server eus | 7.6 7.7 8.1 |
CPE
Remediation
| |
| redhat enterprise linux server tus | 7.4 7.6 7.7 8.2 |
CPE
Remediation
| |
| redhat enterprise linux workstation | 7.0 |
CPE
Remediation
| |
| fedoraproject fedora | 33 34 |
CPE
Remediation
| |
| netapp ontap select deploy administration utility | All versions |
CPE
Remediation
| |
Change History
9 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Nov 7, 2023 | CVE Modified | [email protected] |
| May 13, 2022 | Modified Analysis | [email protected] |
| Mar 25, 2022 | CVE Modified | [email protected] |
| May 1, 2021 | CVE Modified | [email protected] |
| Apr 23, 2021 | CVE Modified | [email protected] |
| Mar 10, 2021 | Initial Analysis | [email protected] |