CVE-2021-3654

2021-07-2011:44:00

redhat.com

access.redhat.com

vulnerability

cpython

openstack-nova

novnc

red hat product security

mitigation

CVSS2

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%

JSON

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

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.