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Fencer Intel
critical 9.8

CVE-2022-0540 in the critical feed json

A vulnerability in Jira Seraph allows a remote, unauthenticated attacker to bypass authentication by sending a specially crafted HTTP reque…

published 4y ago modified 4mo ago also EUVD-2022-15662

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
88.1%
EPSS 88.1% chance of exploitation in 30 days, percentile 99.7%
public exploits
0
none known, plus a Nuclei check

Summary

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.

Patch / fix

  • Atlassian Jira Core Server 8.13.18, 8.20.6, 8.22.0
  • Atlassian Jira Software Server 8.13.18, 8.20.6, 8.22.0
  • Atlassian Jira Software Data Center 8.13.18, 8.20.6, 8.22.0
  • Atlassian Jira Service Management Server 4.13.18, 4.20.6, 4.22.0
  • Atlassian Jira Service Management Data Center 4.13.18, 4.20.6, 4.22.0
  • atlassian jira_data_center 8.13.18, 8.20.6, 8.22.0
  • atlassian jira_server 8.13.18, 8.20.6, 8.22.0
  • atlassian jira_service_management 4.13.18, 4.20.6, 4.22.0

Is CVE-2022-0540 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
2y ago

Exploit prediction

88.06% chance of exploitation in the next 30 days, higher than 99.7% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template Atlassian Jira Seraph - Authentication Bypass nuclei detection template

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Atlassian Jira Core Server
  • Atlassian Jira Software Server
  • Atlassian Jira Software Data Center
  • Atlassian Jira Service Management Server
  • Atlassian Jira Service Management Data Center
  • atlassian jira_data_center
  • atlassian jira_server
  • atlassian jira_service_management

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.