Description
Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
E
Unchanged
RL
O
RC
Changed
Affected products
- microsoft / Microsoft SharePoint Enterprise Server 201616.0.0 – 16.0.5561.1001
- microsoft / Microsoft SharePoint Server 201916.0.0 – 16.0.10417.20175
- microsoft / Microsoft SharePoint Server Subscription Edition16.0.0 – 16.0.19725.20434
- microsoft / sharepoint_server16.0.19725.20434
- microsoft / sharepoint_server2016 – 2016
- microsoft / sharepoint_server2019 – 2019
Exploits & proofs of concept
- nucleiMicrosoft SharePoint Server - JWT Authentication Bypassby sfewer-r7,DhiyaneshDk
News coverage
- Attackers Exploit SharePoint Authentication Bypass After Public PoC ReleaseThe Hacker News · 15d ago
- Researchers Disclose AI-Assisted SharePoint Exploit Chain Reaching Unauthenticated RCEThe Hacker News · 16d ago
References
Updated 5m ago · 8 sources