Auth bypass in Atlassian Jira Core Server

CVE-2022-0540

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…

Vulnerability class: Broken Authentication

EPSS: 0.881 (99.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-0540?
CVE-2022-0540 is a critical-severity vulnerability in Atlassian Jira Core Server, classified under Improper Authentication. CVSS score: 9.8/10. Published 2022-04-20.
How severe is CVE-2022-0540?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-0540 known to be exploited?
38 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.