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nvd[email protected]NVD:CVE-2020-25647
HistoryMar 03, 2021 - 5:15 p.m.

CVE-2020-25647

2021-03-0317:15:11
CWE-787
[email protected]
web.nvd.nist.gov
1

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

7.6 High

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

0.002 Low

EPSS

Percentile

58.7%

JSON

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.

Affected configurations

NVD
Node
gnugrub2Range<2.06
Node
redhatenterprise_linuxMatch7.0
OR
redhatenterprise_linuxMatch8.0
OR
redhatenterprise_linux_server_ausMatch7.2
OR
redhatenterprise_linux_server_ausMatch7.3
OR
redhatenterprise_linux_server_ausMatch7.4
OR
redhatenterprise_linux_server_ausMatch7.6
OR
redhatenterprise_linux_server_ausMatch7.7
OR
redhatenterprise_linux_server_ausMatch8.2
OR
redhatenterprise_linux_server_eusMatch7.6
OR
redhatenterprise_linux_server_eusMatch7.7
OR
redhatenterprise_linux_server_eusMatch8.1
OR
redhatenterprise_linux_server_tusMatch7.4
OR
redhatenterprise_linux_server_tusMatch7.6
OR
redhatenterprise_linux_server_tusMatch7.7
OR
redhatenterprise_linux_server_tusMatch8.2
OR
redhatenterprise_linux_workstationMatch7.0
Node
fedoraprojectfedoraMatch33
OR
fedoraprojectfedoraMatch34
Node
netappontap_select_deploy_administration_utilityMatch-

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redos 1
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mscve 1
cbl_mariner
cbl_mariner
CVE-2020-25647 affecting package grub2 2.06~rc1-10
2021-05-06 23:56:52
CVE-2020-25647 affecting package grub2 for versions less than 2.06~rc1-7
2022-04-26 20:17:11
prion
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Memory corruption
2021-03-03 17:15:00
veracode
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alpinelinux
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nessus
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RHEL 8 : fwupdate (Unpatched Vulnerability)
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2021-07-06 00:00:00
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2021-05-19 00:00:00
Huawei EulerOS: Security Advisory for grub2 (EulerOS-SA-2021-2126)
2021-07-07 00:00:00
Huawei EulerOS: Security Advisory for grub2 (EulerOS-SA-2021-2082)
2021-07-07 00:00:00
redhat
redhat
(RHSA-2021:0702) Moderate: grub2 security update
2021-03-02 18:58:40
(RHSA-2021:2790) Moderate: shim and fwupd security update
2021-07-20 13:20:20
(RHSA-2021:0696) Moderate: grub2 security update
2021-03-02 18:54:21
suse
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Security update for grub2 (important)
2021-03-22 00:00:00
fedora
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[SECURITY] Fedora 33 Update: grub2-2.06~rc1-1.fc33
2021-04-10 23:06:25
[SECURITY] Fedora 34 Update: shim-15.4-4
2021-04-23 21:04:07
[SECURITY] Fedora 34 Update: grub2-2.06~rc1-2.fc34
2021-03-26 00:18:32
oraclelinux
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grub2 security update
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grub2 security update
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grub2 security update
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rocky
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fwupd security update
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shim security update
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almalinux
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2021-06-15 00:00:00
debian
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[SECURITY] [DSA 4867-1] grub2 security update
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hp
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HP PC UEFI Secure Boot Database Update July 2022
2022-07-21 00:00:00
HPSBHF03678 rev. 2 - GRUB2 Bootloader Arbitrary Code Execution
2020-07-25 00:00:00
ibm
ibm
Security Bulletin: GRUB2 as used by IBM QRadar SIEM is vulnerable to arbitrary code execution
2021-07-26 13:09:02
photon
photon
Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2021-1.0-0376
2021-03-31 00:00:00
Important Photon OS Security Update - PHSA-2021-0202
2021-03-03 00:00:00
Important Photon OS Security Update - PHSA-2021-3.0-0202
2021-03-03 00:00:00
rosalinux
rosalinux
Advisory ROSA-SA-2021-1849
2021-07-02 17:01:29
Advisory ROSA-SA-2023-2300
2023-12-05 10:31:19
mageia
mageia
Updated grub2 packages fix security vulnerabilities
2021-07-09 01:43:19
redos
redos
ROS-20220920-01
2022-09-20 00:00:00
gentoo
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mscve
mscve
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2020-07-29 07:00:00

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

7.6 High

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

0.002 Low

EPSS

Percentile

58.7%

JSON
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