PT-2023-12200 · Umbraco · Umbraco Forms

Published 2023-02-24 · Updated 2023-03-06 · CVE-2021-33224

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Umbraco Forms version 8.7.0

Description The issue allows unauthenticated attackers to execute arbitrary code via a crafted web.config and asp file. This is a result of a file upload vulnerability.

Recommendations For Umbraco Forms version 8.7.0, consider restricting file uploads to prevent exploitation until a patch is available. As a temporary workaround, restrict access to the web.config and asp files to minimize the risk of arbitrary code execution. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2021-33224

Affected Products

Umbraco Forms

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-33224 · Security Note
• https://osv.dev/vulnerability/CVE-2021-33224 · Vendor Advisory
• https://our.umbraco.com/packages/developer-tools/umbraco-forms · Note
• https://t.me/cibsecurity/58874 · Telegram Post
• http://umbraco.com · Note
• https://t.me/cvenotify/45634 · Telegram Post