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redhatcveRedhat.comRH:CVE-2021-20225
HistoryMar 02, 2021 - 9:13 p.m.

CVE-2021-20225

2021-03-0221:13:28
redhat.com
access.redhat.com
11

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

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

JSON

A flaw was found in grub2. 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.

Related

veracode 1
cbl_mariner 2
nvd 1
alpinelinux 1
prion 1
debiancve 1
cvelist 1
osv 6
cve 1
ubuntucve 1
nessus 58
openvas 30
ubuntu 1
suse 1
fedora 6
redhat 14
rocky 2
almalinux 3
amazon 2
oraclelinux 4
hp 2
archlinux 1
debian 2
ibm 1
photon 8
rosalinux 2
mageia 1
redos 1
gentoo 1
mscve 1
ics 1
veracode
veracode
Arbitrary Code Execution
2021-03-03 00:36:52
cbl_mariner
cbl_mariner
CVE-2021-20225 affecting package grub2 for versions less than 2.06~rc1-7
2022-04-26 20:17:11
CVE-2021-20225 affecting package grub2 2.06~rc1-10
2021-05-06 23:56:52
nvd
nvd
CVE-2021-20225
2021-03-03 17:15:11
alpinelinux
alpinelinux
CVE-2021-20225
2021-03-03 17:15:11
prion
prion
Heap overflow
2021-03-03 17:15:00
debiancve
debiancve
CVE-2021-20225
2021-03-03 17:15:11
cvelist
cvelist
CVE-2021-20225
2021-03-03 16:44:26
osv
osv
CVE-2021-20225
2021-03-03 17:15:00
grub2-signed, grub2-unsigned vulnerabilities
2021-06-18 03:57:46
grub2 - security update
2021-03-02 00:00:00
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CVE-2021-20225
2021-03-03 17:15:11
ubuntucve
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CVE-2021-20225
2021-03-02 00:00:00
nessus
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EulerOS Virtualization 3.0.2.2 : grub2 (EulerOS-SA-2021-2126)
2021-07-06 00:00:00
EulerOS 2.0 SP5 : grub2 (EulerOS-SA-2021-1900)
2021-05-18 00:00:00
EulerOS Virtualization for ARM 64 3.0.2.0 : grub2 (EulerOS-SA-2021-2082)
2021-07-02 00:00:00
openvas
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Huawei EulerOS: Security Advisory for grub2 (EulerOS-SA-2021-1900)
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
ubuntu
ubuntu
GRUB 2 vulnerabilities
2021-06-18 00:00:00
suse
suse
Security update for grub2 (important)
2021-03-22 00:00:00
fedora
fedora
[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: shim-unsigned-aarch64-15.4-1.fc34
2021-04-23 21:04:07
redhat
redhat
(RHSA-2021:0702) Moderate: grub2 security update
2021-03-02 18:58:40
(RHSA-2021:0696) Moderate: grub2 security update
2021-03-02 18:54:21
(RHSA-2021:0700) Moderate: grub2 security update
2021-03-02 18:57:33
rocky
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fwupd security update
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shim security update
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almalinux
almalinux
Moderate: fwupd security update
2021-06-29 13:41:47
Moderate: shim security update
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Moderate: grub2 security update
2021-03-02 18:54:21
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Medium: grub2
2021-07-14 20:30:00
Medium: grub2
2021-07-14 20:30:00
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grub2 security update
2021-03-05 00:00:00
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HPSBHF03678 rev. 2 - GRUB2 Bootloader Arbitrary Code Execution
2020-07-25 00:00:00
archlinux
archlinux
[ASA-202106-43] grub: multiple issues
2021-06-15 00:00:00
debian
debian
[SECURITY] [DSA 4867-1] grub2 security update
2021-03-02 18:11:33
[SECURITY] [DSA 4867-1] grub2 security update
2021-03-02 18:11:33
ibm
ibm
Security Bulletin: GRUB2 as used by IBM QRadar SIEM is vulnerable to arbitrary code execution
2021-07-26 13:09:02
photon
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Important Photon OS Security Update - PHSA-2021-0202
2021-03-03 00:00:00
Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2021-1.0-0376
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Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2021-2.0-0334
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rosalinux
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Advisory ROSA-SA-2021-1849
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Advisory ROSA-SA-2023-2300
2023-12-05 10:31:19
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Updated grub2 packages fix security vulnerabilities
2021-07-09 01:43:19
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ROS-20220920-01
2022-09-20 00:00:00
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GRUB: Multiple vulnerabilities
2021-04-30 00:00:00
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2020-07-29 07:00:00
ics
ics
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2022-10-18 12:00:00

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

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

JSON
Related for RH:CVE-2021-20225
veracode1cbl_mariner2nvd1alpinelinux1prion1debiancve1cvelist1osv6cve1ubuntucve1nessus58openvas30ubuntu1suse1fedora6redhat14rocky2almalinux3amazon2oraclelinux4hp2archlinux1debian2ibm1photon8rosalinux2mageia1redos1gentoo1mscve1ics1