CVE-2024-21401
CWE-284Published: February 13, 2024· Updated: Jun 17, 2026
Official Description
Microsoft Entra Jira Single-Sign-On Plugin Elevation of Privilege Vulnerability
Risk Analysis
The Microsoft Entra Jira Single-Sign-On plugin contains an elevation of privilege vulnerability. With a critical CVSS score of 9.8, it allows unauthenticated attackers to potentially gain unauthorized access or privileges within the affected system.
No public exploit is known, and the vulnerability is not in the KEV catalog. It is remotely exploitable with low attack complexity.
Update the Microsoft Entra Jira SSO plugin to the latest version provided by the vendor.
Technical Analysis
CVE-2024-21401 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-284)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2024-21401 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts