CVE-2022-0540

Name: CVE-2022-0540
Creator: NVD / NIST
Published: 2022-04-20T19:15:07.68+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 88.33%

Last modified Jun 17, 2026

CVE-2022-0540 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A vulnerability in Jira Seraph allows a remote, unauthenticated attacker to bypass authentication by sending a specially crafted HTTP request. This affects Atlassian Jira Server and Data Center versions before 8.13.18, versions 8.14.0 and later before 8.20.6, and versions 8.21.0 and later before 8.22.0. EPSS estimates a 88.33% chance of exploitation in the next 30 days.

Description

A vulnerability in Jira Seraph allows a remote, unauthenticated attacker to bypass authentication by sending a specially crafted HTTP request. This affects Atlassian Jira Server and Data Center versions before 8.13.18, versions 8.14.0 and later before 8.20.6, and versions 8.21.0 and later before 8.22.0. This also affects Atlassian Jira Service Management Server and Data Center versions before 4.13.18, versions 4.14.0 and later before 4.20.6, and versions 4.21.0 and later before 4.22.0.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

88.33%

99.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Atlassian	Jira Data Center	< 8.13.8
Atlassian	Jira Data Center	>= 8.14.0, < 8.20.6
Atlassian	Jira Data Center	>= 8.21.0, < 8.22.0
Atlassian	Jira Server	< 8.13.8
Atlassian	Jira Server	>= 8.14.0, < 8.20.6
Atlassian	Jira Server	>= 8.21.0, < 8.22.0
Atlassian	Jira Service Management	< 4.13.8
Atlassian	Jira Service Management	< 4.13.18
Atlassian	Jira Service Management	>= 4.14.0, < 4.20.6
Atlassian	Jira Service Management	>= 4.21.0, < 4.22.0

References

https://confluence.atlassian.com/display/JIRA/Jira+Security+Advisory+2022-04-20Issue Tracking, Patch, Vendor Advisory
https://jira.atlassian.com/browse/JRASERVER-73650Issue Tracking, Patch, Vendor Advisory
https://jira.atlassian.com/browse/JSDSERVER-11224Issue Tracking, Patch, Vendor Advisory
https://confluence.atlassian.com/display/JIRA/Jira+Security+Advisory+2022-04-20Issue Tracking, Patch, Vendor Advisory
https://jira.atlassian.com/browse/JRASERVER-73650Issue Tracking, Patch, Vendor Advisory
https://jira.atlassian.com/browse/JSDSERVER-11224Issue Tracking, Patch, Vendor Advisory

Timeline

Published: Apr 20, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-0540?

How severe is CVE-2022-0540?

CVE-2022-0540 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 88.33% probability of exploitation in the next 30 days.

How do I fix CVE-2022-0540?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-0540?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST