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ubuntucveUbuntu.comUB:CVE-2021-28211
HistoryMar 16, 2021 - 12:00 a.m.

CVE-2021-28211

2021-03-1600:00:00
ubuntu.com
ubuntu.com
23

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

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

0.0005 Low

EPSS

Percentile

18.0%

A heap overflow in LzmaUefiDecompressGetInfo function in EDK II.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchedk2< anyUNKNOWN
ubuntu20.04noarchedk2< 0~20191122.bd85bf54-2ubuntu3.2UNKNOWN
ubuntu20.10noarchedk2< 2020.05-5ubuntu0.2UNKNOWN
ubuntu16.04noarchedk2< anyUNKNOWN

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

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

0.0005 Low

EPSS

Percentile

18.0%