CVE-2022-0540: A vulnerability in Jira Seraph allows a remote, unauthenticated attacker to bypass authentication by sending a specia…
- Is it exploited?
Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .
VulnCheck KEV lists it since . It cites 504 public reports, the first from .
- How likely is exploitation in the next 30 days?
- 88.1%
EPSS score, percentile 99.8 of all scored records. A probability estimated by FIRST, not a report of exploitation.
- How severe?
- 9.8 Critical
CVSS v3.1 base score, from CISA's enrichment of the record
- What should I do?
CISA has set no required action, because the vulnerability is not in KEV.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected
- before 8.13.18
- 8.14.0
- before 8.20.6
- 8.21.0
- before 8.22.0
- before 8.13.18
and 19 more in the table below
Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.
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.
Source: CVE List, as of . About the data.
What to do
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.
Affected products and versions
Versions by product, as listed in the CVE record (5 products)
| Status | Versions |
|---|---|
| Affected | before 8.13.18 |
| Affected | 8.14.0 |
| Affected | before 8.20.6 |
| Affected | 8.21.0 |
| Affected | before 8.22.0 |
| Status | Versions |
|---|---|
| Affected | before 8.13.18 |
| Affected | 8.14.0 |
| Affected | before 8.20.6 |
| Affected | 8.21.0 |
| Affected | before 8.22.0 |
| Status | Versions |
|---|---|
| Affected | before 8.13.18 |
| Affected | 8.14.0 |
| Affected | before 8.20.6 |
| Affected | 8.21.0 |
| Affected | before 8.22.0 |
| Status | Versions |
|---|---|
| Affected | before 4.13.18 |
| Affected | 4.14.0 |
| Affected | before 4.20.6 |
| Affected | 4.21.0 |
| Affected | before 4.22.0 |
| Status | Versions |
|---|---|
| Affected | before 4.13.18 |
| Affected | 4.14.0 |
| Affected | before 4.20.6 |
| Affected | 4.21.0 |
| Affected | before 4.22.0 |
Source: CVE List, as of . About the data.
Weakness
CWE-287
- CWE-287: Improper Authentication
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| CVE record last updated |
Known exploited Atlassian vulnerabilities
- CVE-2026-21589: Atlassian Multiple Products Files or Directories Accessible to External Parties Vulnerability
- CVE-2021-26086: Atlassian Jira Server and Data Center Path Traversal Vulnerability
- CVE-2023-22527: Atlassian Confluence Data Center and Server Template Injection Vulnerability
- CVE-2023-22518: Atlassian Confluence Data Center and Server Improper Authorization Vulnerability
- CVE-2023-22515: Atlassian Confluence Data Center and Server Broken Access Control Vulnerability