CVE-2021-22141Network attack vector

Open redirect through crafted URL

Published Nov 18, 2022 · Updated Apr 29, 2025

Open redirect in Elastic Kibana before 7.13.0 and 6.8.16 allows remote attackers to send logged-in users to arbitrary websites. Elastic has not published the affected route, handler, or validation error that accepts the crafted destination. Exploitation requires a logged-in user to visit a maliciously crafted URL; the reported effect is navigation to an attacker-chosen site.

CVSS severity4.3
Medium
EPSS probability0.55%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Open redirect in Elastic Kibana before 7.13.0 and 6.8.16 allows remote attackers to send logged-in users to arbitrary websites. Elastic has not published the affected route, handler, or validation error that accepts the crafted destination. Exploitation requires a logged-in user to visit a maliciously crafted URL; the reported effect is navigation to an attacker-chosen site.

The record

CVE
CVE-2021-22141
Published
Nov 18, 2022
Updated
Apr 29, 2025
Vendor
Elastic
Product
Kibana
Classifications
CWE-601, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 18, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 29, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=All versions of Kibana before 7.13.0 and 6.8.16.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Elastic · Kibanaversion=All versions of Kibana before 7.13.0 and 6.8.16.

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.3ElasticCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-601URL Redirection to Untrusted Site ('Open Redirect')
T1204.001Malicious Link

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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo