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ubuntucveUbuntu.comUB:CVE-2021-38173
HistoryAug 07, 2021 - 12:00 a.m.

CVE-2021-38173

2021-08-0700:00:00
ubuntu.com
ubuntu.com
13

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.004 Low

EPSS

Percentile

73.5%

Btrbk before 0.31.2 allows command execution because of the mishandling of
remote hosts filtering SSH commands using ssh_filter_btrbk.sh in
authorized_keys.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchbtrbk< anyUNKNOWN
ubuntu20.04noarchbtrbk< anyUNKNOWN
ubuntu16.04noarchbtrbk< anyUNKNOWN

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.004 Low

EPSS

Percentile

73.5%