SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-0540

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

CRITICAL 9.8EPSS 88.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 88.1%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

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 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
88.06% probability · 100th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-287
Affected
atlassian/jira data center · atlassian/jira server · atlassian/jira service management
Source
security@atlassian.com
EPSS trend
0%45%90%3 November 2026: 88.06%3 November 20263 November 2026

EPSS 88.1% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.