CVE-2023-29357 — Microsoft SharePoint Server Privilege Escalation Vulnerability
2024-01-10 • CISA Known Exploited Vulnerability
[event] Microsoft SharePoint Server contains an unspecified vulnerability that allows an unauthenticated attacker, who has gained access to spoofed JWT authentication tokens, to use them for executing a network attack. This attack bypasses authentication, enabling the attacker to gain administrator privileges.
> AFFECTED SOFTWARE
| Field | Value |
|---|---|
| Vendor | Microsoft |
| Product | SharePoint Server |
| CWE | CWE-303 |
| CVE ID | CVE-2023-29357 |
| Date Added | 2024-01-10 |
| Due Date | 2024-01-31 |
| Ransomware Campaign | Known — this vulnerability has been leveraged in ransomware campaigns |
> MITIGATION
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Due Date: 2024-01-31