File Upload Vulnerability in Umbraco Forms by Umbraco
CVE-2021-33224

9.8CRITICAL

Key Information:

Vendor

Umbraco

Status
Umbraco Forms
Vendor
CVE Published:
24 February 2023

What is CVE-2021-33224?

A significant file upload vulnerability exists in Umbraco Forms v8.7.0, enabling unauthenticated attackers to exploit the system by executing arbitrary code through specially crafted web.config and .asp files. This flaw exposes the application to potential unauthorized access and control, prompting urgent action for remediation.

References

http://umbraco.com
https://our.umbraco.com/packages/developer-tools/umbraco-...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.