CVE-2021-46703

CRITICAL

Antaris RazorEngine <4.5.1-alpha001 - RCE

Title source: llm

Description

In the IsolatedRazorEngine component of Antaris RazorEngine through 4.5.1-alpha001, an attacker can execute arbitrary .NET code in a sandboxed environment (if users can externally control template contents). NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Exploits (1)

nomisec WORKING POC
by BenEdridge · poc
https://github.com/BenEdridge/CVE-2021-46703

Scores

CVSS v3 9.8
EPSS 0.0142
EPSS Percentile 80.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (3)
nuget/RazorEngine 0NuGet
razorengine_project/razorengine 4.5.1 alpha001
razorengine_project/razorengine < 4.5.1
Published Mar 06, 2022
Tracked Since Feb 18, 2026