CVE-2021-22142Network attack vector

Server compromise via outdated embedded Chromium

Published Nov 22, 2023 · Updated Aug 3, 2024

Use of outdated Chromium in Elastic Kibana 7.0.0 through 7.12.1 allows remote authenticated users to compromise the server through Reporting. The Reporting feature renders downloadable reports in an embedded Chromium build; attacker-controlled HTML that evades Kibana safeguards can invoke known browser flaws. Access requires permission to generate reports and a path to render arbitrary HTML, and successful exploitation can affect data and service availability in Kibana's process context.

CVSS severity6.6
Medium
EPSS probability1.01%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use of outdated Chromium in Elastic Kibana 7.0.0 through 7.12.1 allows remote authenticated users to compromise the server through Reporting. The Reporting feature renders downloadable reports in an embedded Chromium build; attacker-controlled HTML that evades Kibana safeguards can invoke known browser flaws. Access requires permission to generate reports and a path to render arbitrary HTML, and successful exploitation can affect data and service availability in Kibana's process context.

The record

CVE
CVE-2021-22142
Published
Nov 22, 2023
Updated
Aug 3, 2024
Vendor
Elastic
Product
Kibana
Classifications
CWE-1104, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 22, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=7.0.0 <7.13.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Elastic · Kibanaversion=7.0.0 <7.13.0

Published CVSS scores

8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.6ElasticCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1104Use of Unmaintained Third Party Components
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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