"CISA: Critical SharePoint Bug Actively Exploited"
"CISA: Critical SharePoint Bug Actively Exploited"
The Cybersecurity and Infrastructure Security Agency's (CISA) Known Exploited Vulnerabilities (KEV) catalog now includes a critical Microsoft SharePoint server bug that can be used as part of a Remote Code Execution (RCE) exploit chain. The vulnerability, tracked as CVE-2023-29357, is an elevation of privilege flaw with a CVSS v3 score of 9.8. The flaw enables attackers to gain administrator privileges on the SharePoint host by using spoofed JSON web tokens (JWTs).