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Vulnerable Software

Vulnerability Details CVE-2020-15706

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.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.001

EPSS Ranking 20.3%

CVSS Severity

CVSS v3 Score 6.4

CVSS v2 Score 4.4

References

Products affected by CVE-2020-15706

Gnu » Grub2 » Version: N/A

cpe:2.3:a:gnu:grub2:-
Gnu » Grub2 » Version: 1.98

cpe:2.3:a:gnu:grub2:1.98
Gnu » Grub2 » Version: 1.99

cpe:2.3:a:gnu:grub2:1.99
Gnu » Grub2 » Version: 2.00

cpe:2.3:a:gnu:grub2:2.00
Gnu » Grub2 » Version: 2.01

cpe:2.3:a:gnu:grub2:2.01
Gnu » Grub2 » Version: 2.02

cpe:2.3:a:gnu:grub2:2.02
Gnu » Grub2 » Version: 2.04

cpe:2.3:a:gnu:grub2:2.04
Redhat » Enterprise Linux Atomic Host » Version: N/A

cpe:2.3:a:redhat:enterprise_linux_atomic_host:-
Redhat » Openshift Container Platform » Version: 4.0

cpe:2.3:a:redhat:openshift_container_platform:4.0
Canonical » Ubuntu Linux » Version: 14.04

cpe:2.3:o:canonical:ubuntu_linux:14.04
Canonical » Ubuntu Linux » Version: 16.04

cpe:2.3:o:canonical:ubuntu_linux:16.04
Canonical » Ubuntu Linux » Version: 18.04

cpe:2.3:o:canonical:ubuntu_linux:18.04
Canonical » Ubuntu Linux » Version: 20.04

cpe:2.3:o:canonical:ubuntu_linux:20.04
Debian » Debian Linux » Version: 10.0

cpe:2.3:o:debian:debian_linux:10.0
Microsoft » Windows 10 » Version: N/A

cpe:2.3:o:microsoft:windows_10:-
Microsoft » Windows 10 » Version: 1607

cpe:2.3:o:microsoft:windows_10:1607
Microsoft » Windows 10 » Version: 1709

cpe:2.3:o:microsoft:windows_10:1709
Microsoft » Windows 10 » Version: 1803

cpe:2.3:o:microsoft:windows_10:1803
Microsoft » Windows 10 » Version: 1809

cpe:2.3:o:microsoft:windows_10:1809
Microsoft » Windows 10 » Version: 1903

cpe:2.3:o:microsoft:windows_10:1903
Microsoft » Windows 10 » Version: 1909

cpe:2.3:o:microsoft:windows_10:1909
Microsoft » Windows 10 » Version: 2004

cpe:2.3:o:microsoft:windows_10:2004
Microsoft » Windows 8.1 » Version: N/A

cpe:2.3:o:microsoft:windows_8.1:-
Microsoft » Windows Rt 8.1 » Version: N/A

cpe:2.3:o:microsoft:windows_rt_8.1:-
Microsoft » Windows Server 2012 » Version: N/A

cpe:2.3:o:microsoft:windows_server_2012:-
Microsoft » Windows Server 2012 » Version: r2

cpe:2.3:o:microsoft:windows_server_2012:r2
Microsoft » Windows Server 2016 » Version: N/A

cpe:2.3:o:microsoft:windows_server_2016:-
Microsoft » Windows Server 2016 » Version: 1903

cpe:2.3:o:microsoft:windows_server_2016:1903
Microsoft » Windows Server 2016 » Version: 1909

cpe:2.3:o:microsoft:windows_server_2016:1909
Microsoft » Windows Server 2016 » Version: 2004

cpe:2.3:o:microsoft:windows_server_2016:2004
Microsoft » Windows Server 2019 » Version: N/A

cpe:2.3:o:microsoft:windows_server_2019:-
Opensuse » Leap » Version: 15.1

cpe:2.3:o:opensuse:leap:15.1
Opensuse » Leap » Version: 15.2

cpe:2.3:o:opensuse:leap:15.2
Redhat » Enterprise Linux » Version: 7.0

cpe:2.3:o:redhat:enterprise_linux:7.0
Redhat » Enterprise Linux » Version: 8.0

cpe:2.3:o:redhat:enterprise_linux:8.0
Suse » Suse Linux Enterprise Server » Version: 11

cpe:2.3:o:suse:suse_linux_enterprise_server:11
Suse » Suse Linux Enterprise Server » Version: 12

cpe:2.3:o:suse:suse_linux_enterprise_server:12
Suse » Suse Linux Enterprise Server » Version: 15

cpe:2.3:o:suse:suse_linux_enterprise_server:15

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2020-15706

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