What’s Vulnerable › Vulnerabilities
CVE-2021-46703
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.9% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2022-03-06 · updated 2026-06-17
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
Affected products
- Razorengine Project Razorengine: before 4.5.1; 4.5.1-alpha001 — fixed in 4.5.1
How to fix
Upgrade to a fixed version: Razorengine Project Razorengine 4.5.1. Check the vendor advisory for mitigations.
References
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