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ubuntucveUbuntu.comUB:CVE-2021-3654
HistoryMar 02, 2022 - 12:00 a.m.

CVE-2021-3654

2022-03-0200:00:00
ubuntu.com
ubuntu.com
49
openstack-nova
console proxy
novnc
vulnerability
redirect
malicious url

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.926

Percentile

99.0%

A vulnerability was found in openstack-nova’s console proxy, noVNC. By
crafting a malicious URL, noVNC could be made to redirect to any desired
URL.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchnova< 2:17.0.13-0ubuntu5.3UNKNOWN
ubuntu20.04noarchnova< 2:21.2.4-0ubuntu2.1UNKNOWN
ubuntu16.04noarchnova< 2:13.1.4-0ubuntu4.5+esm1UNKNOWN

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.926

Percentile

99.0%