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Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2020-27779

A flaw was found in grub2 in versions prior to 2.06. The cutmem command does not honor secure boot locking allowing an privileged attacker to remove address ranges from memory creating an opportunity to circumvent SecureBoot protections after proper triage about grub's memory layout. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.0

EPSS Ranking 5.8%

CVSS Severity

CVSS v3 Score 7.5

CVSS v2 Score 6.9

References

Products affected by CVE-2020-27779

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
Netapp » Ontap Select Deploy Administration Utility » Version: N/A

cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-
Fedoraproject » Fedora » Version: 33

cpe:2.3:o:fedoraproject:fedora:33
Fedoraproject » Fedora » Version: 34

cpe:2.3:o:fedoraproject:fedora:34
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
Redhat » Enterprise Linux Server Aus » Version: 7.2

cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2
Redhat » Enterprise Linux Server Aus » Version: 7.3

cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3
Redhat » Enterprise Linux Server Aus » Version: 7.4

cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4
Redhat » Enterprise Linux Server Aus » Version: 7.6

cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6
Redhat » Enterprise Linux Server Aus » Version: 7.7

cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7
Redhat » Enterprise Linux Server Aus » Version: 8.2

cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2
Redhat » Enterprise Linux Server Eus » Version: 7.6

cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6
Redhat » Enterprise Linux Server Eus » Version: 7.7

cpe:2.3:o:redhat:enterprise_linux_server_eus:7.7
Redhat » Enterprise Linux Server Eus » Version: 8.1

cpe:2.3:o:redhat:enterprise_linux_server_eus:8.1
Redhat » Enterprise Linux Server Tus » Version: 7.4

cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4
Redhat » Enterprise Linux Server Tus » Version: 7.6

cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6
Redhat » Enterprise Linux Server Tus » Version: 7.7

cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7
Redhat » Enterprise Linux Server Tus » Version: 8.2

cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2
Redhat » Enterprise Linux Workstation » Version: 7.0

cpe:2.3:o:redhat:enterprise_linux_workstation:7.0

Vulnerabilities

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Vulnerability Details CVE-2020-27779

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