Is CVE-2021-22142 actively exploited?

No active exploitation of CVE-2021-22142 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-22142 be exploited remotely?

Yes. CVE-2021-22142 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-22142?

CVE-2021-22142 has a CVSS score of 8.8 (HIGH).

HOME VULNERABILITIESCVE-2021-22142

HIGH

CVE-2021-22142

CWE-1104Published: November 22, 2023· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

Kibana contains an embedded version of the Chromium browser that the Reporting feature uses to generate the downloadable reports. If a user with permissions to generate reports is able to render arbitrary HTML with this browser, they may be able to leverage known Chromium vulnerabilities to conduct further attacks. Kibana contains a number of protections to prevent this browser from rendering arbitrary content.

NVD Source

Technical Analysis

CVE-2021-22142 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.