Description

Kentico is an ASP.NET web content management system. The Staging API is used to replicate data between production and development systems.

Kentico Staging API contains an authentication bypass vulnerability that allows unauthenticated remote attackers to access sensitive functionality, potentially leading to complete server compromise.

Remediation

Upgrade to the latest version of Kentico

References

Bypassing Authentication Like It's The 90s - Pre-Auth RCE Chain(s) in Kentico Xperience CMS

Kentico Hotfixes

Related Vulnerabilities

Oracle JRE CVE-2014-2397 Vulnerability (CVE-2014-2397)

Collabtive Improper Input Validation Vulnerability (CVE-2012-2670)

PHP Improper Input Validation Vulnerability (CVE-2016-4071)

Play Framework Out-of-bounds Write Vulnerability (CVE-2020-27196)

Deprecated Header Instruction Used to Implement Content Security Policy (CSP)

Severity

Critical

Classification

CWE-287 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L

Tags

Configuration Known Vulnerabilities Authentication Bypass