CVE-2022-0540
Published: 20 April 2022
Summary
CVE-2022-0540 is a critical-severity Improper Authentication (CWE-287) vulnerability in Atlassian Jira Service Management. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 0.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
A vulnerability in the Jira Seraph authentication component permits remote attackers to bypass login checks by submitting a crafted HTTP request. The flaw affects Atlassian Jira Server and Data Center releases prior to 8.13.18, from 8.14.0 through 8.20.5, and from 8.21.0 through 8.21.x, as well as Jira Service Management Server and Data Center releases prior to 4.13.18, from 4.14.0 through 4.20.5, and from 4.21.0 through 4.21.x. The issue carries a CVSS 3.1 base score of 9.8 and is tracked under CWE-287.
An unauthenticated attacker with network access can exploit the flaw to obtain full administrative control of the affected Jira instance, including the ability to read, modify, or delete any data and to execute arbitrary actions within the application. No user interaction or credentials are required, and the attack can be performed over the network with low complexity.
Atlassian’s security advisory and the linked Jira tickets JRASERVER-73650 and JSDSERVER-11224 direct administrators to upgrade to the fixed releases listed in the advisory (8.13.18, 8.20.6, 8.22.0 or later for Jira; 4.13.18, 4.20.6, 4.22.0 or later for Jira Service Management). The EPSS score remains elevated near its recorded peak of 0.9278.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-15662
Vulnerability details
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…
more
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Detects unauthorized successful logons resulting from improper authentication implementations.
Documented procedures ensure personnel are trained on authentication mechanisms, tangibly lowering the risk of improper authentication being exploited.
Security awareness training instructs users on secure authentication practices and avoiding credential compromise.
Training on authentication mechanisms and best practices decreases the occurrence of improper authentication.
Non-repudiation requires strong authentication mechanisms to irrefutably attribute performed actions to specific individuals or processes.
Session content review can reveal authentication bypasses or failures in session establishment.
Review of authentication-related audit records can detect improper authentication mechanisms or bypasses.
Assessments check authentication mechanisms for correct implementation and effectiveness, reducing successful authentication bypass attempts.