CVE-2022-0540

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 88.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-04-20 · updated 2026-06-17
Weakness: CWE-287

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.

Affected products

Atlassian Jira: before 8.13.8; from 8.14.0 before 8.20.6; from 8.21.0 before 8.22.0 — fixed in 8.13.8, 8.20.6, 8.22.0
Atlassian Jira: before 8.13.8; from 8.14.0 before 8.20.6; from 8.21.0 before 8.22.0 — fixed in 8.13.8, 8.20.6, 8.22.0
Atlassian Jira Service Management: before 4.13.8; before 4.13.18; from 4.14.0 before 4.20.6; from 4.21.0 before 4.22.0 — fixed in 4.13.18, 4.13.8, 4.20.6, 4.22.0

How to fix

Upgrade to a fixed version: Atlassian Jira 8.13.8, 8.20.6, 8.22.0; Atlassian Jira 8.13.8, 8.20.6, 8.22.0; Atlassian Jira Service Management 4.13.18, 4.13.8, 4.20.6, 4.22.0. Check the vendor advisory for mitigations.

References

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