Search/CVE-2020-15706
● CVE — Medium

CVE-2020-15706

Vendordebian, microsoft, canonical, redhat, opensuseProductdebian linux, windows 8.1, windows rt 8.1, windows server 2012, ubuntu linux, enterprise linux, openshift container platform, windows server 2016, windows server 2019, leap, windows 10, suse linux enterprise server, enterprise linux atomic host, grub2DiscoveredJul 29, 2020UpdatedNov 21, 2024

GRUB2 contains a race condition in grub_script_function_create() leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing, leading to arbitrary code execution and secure boot restriction bypass. This issue affects GRUB2 version 2.04 and prior versions.

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CVSS v3.1
6.4 MEDIUM
EPSS
0.98%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityHIGH
Privileges RequiredHIGH
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Connections
15 relationships
Timeline
disclosure → media coverage
Jul 29, 2020
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024