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Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2021-20225

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.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.001

EPSS Ranking 28.5%

CVSS Severity

CVSS v3 Score 6.7

CVSS v2 Score 7.2

References

Products affected by CVE-2021-20225

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

Vulnerable Software

Vulnerability Details CVE-2021-20225

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