Description

SharePoint has an authentication bypass vulnerability. An attacker can bypass the authentication with a specially crafted JWT token and get full access to the system.

Remediation

Upgrade to the latest version of SharePoint

References

SharePoint Pre-Auth RCE chain (CVE-2023-29357 & CVE-2023-24955)

Microsoft SharePoint Server Elevation of Privilege Vulnerability

Related Vulnerabilities

Oracle Database Server CVE-2019-2956 Vulnerability (CVE-2019-2956)

Joomla Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2012-0837)

IBM WebSEAL Improper Restriction of XML External Entity Reference Vulnerability (CVE-2019-4707)

Oracle JRE CVE-2011-3563 Vulnerability (CVE-2011-3563)

MySQL CVE-2020-14814 Vulnerability (CVE-2020-14814)

Severity

Critical

Classification

CVE-2023-29357 CWE-287 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Authentication Bypass Known Vulnerabilities