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

XWiki Improper Encoding or Escaping of Output Vulnerability (CVE-2023-26472)

Joomla Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2012-0822)

jQuery UI Dialog Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2021-41184)

Sqlite Improper Input Validation Vulnerability (CVE-2017-13685)

Bootstrap Table Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2022-1726)

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