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CVE-2021-46703 — Code injection in RazorEngine — CVE Details

CRITICAL

Code injection in RazorEngine

Published March 7, 2022Updated March 26, 2025Source: osv

Summary

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.

Advisory Timeline

  • First published March 7, 2022 (1680 days ago).
  • Last revised March 26, 2025 — 1116 days after initial publication.

Affected Packages (1)

Affects 1 ecosystem: nuget (1).

PackageEcosystemAffectedFixed In
RazorEngine
nuget
2.1.0, 3.0.0, 3.0.3, 3.0.4 (+80 more)Range-based data available

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2021-46703?
Code injection in RazorEngine This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2021-46703?
CVE-2021-46703 affects RazorEngine. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2021-46703 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-ph3v-2hq5-5qfq

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