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 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.
Vulnerability class: Broken Authentication
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.881 (99.8th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.881 · newest: 0.881 · change: 0.000
Affected products
- Atlassian Jira Core Server — versions unspecified, 8.14.0, 8.21.0
- Atlassian Jira Data Center
- Atlassian Jira Server
- Atlassian Jira Service Management
- Atlassian Jira Service Management Data Center — versions unspecified, 4.14.0, 4.21.0
- Atlassian Jira Service Management Server — versions unspecified, 4.14.0, 4.21.0
- Atlassian Jira Software Data Center — versions unspecified, 8.14.0, 8.21.0
- Atlassian Jira Software Server — versions unspecified, 8.14.0, 8.21.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- confluence.atlassian.com/display/JIRA/Jira+Security+Advisory+2022-04-20 (Patch, Issue Tracking, Vendor Advisory)
- jira.atlassian.com/browse/JRASERVER-73650 (Patch, Issue Tracking, Vendor Advisory)
- jira.atlassian.com/browse/JSDSERVER-11224 (Patch, Issue Tracking, Vendor Advisory)
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.