9.8

CVE-2022-0540: atlassian jira core server Improper Authentication

Modified
Published 20-04-2022Last modified 24-10-2024

Vulnerability summary

CVE-2022-0540 is a critical (CVSS 9.8) Improper Authentication vulnerability in atlassian jira core server. EPSS estimates a 88.06% chance of exploitation in the next 30 days, higher than 99.7% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.8 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 88% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
88.06%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 20-04-2022
    PublishedVulnerability first disclosed.
  2. 24-10-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

88.06%

Chance of exploitation in the next 30 days

Percentile

100%

Versus all other CVEs

30-day change

No change 0.00 pp

From 88.06% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Atlassian8 products
  • jira core server≥ unspecified, < 8.13.18 | ≥ 8.14.0, < unspecified | ≥ unspecified, < 8.20.6 | ≥ 8.21.0, < unspecified | ≥ unspecified, < 8.22.0
  • jira_data_center< 8.13.8 | ≥ 8.14.0, < 8.20.6 | ≥ 8.21.0, < 8.22.0
  • jira_server< 8.13.8 | ≥ 8.14.0, < 8.20.6 | ≥ 8.21.0, < 8.22.0
  • jira_service_management< 4.13.8 | < 4.13.18 | ≥ 4.14.0, < 4.20.6 | ≥ 4.21.0, < 4.22.0
  • jira service management data center≥ unspecified, < 4.13.18 | ≥ 4.14.0, < unspecified | ≥ unspecified, < 4.20.6 | ≥ 4.21.0, < unspecified | ≥ unspecified, < 4.22.0

1 vendor · 8 products

References

3 links