9.8
CRITICAL
CVE-2021-46703
Antaris RazorEngine Remote Code Execution
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

INFO

Published Date :

March 6, 2022, 6:15 a.m.

Last Modified :

Aug. 4, 2024, 6:15 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2021-46703 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-46703 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Razorengine_project razorengine
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-46703.

URL Resource
https://github.com/Antaris/RazorEngine/issues/585 Exploit Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Simple payload builder

C# Python

Updated: 1 year, 6 months ago
0 stars 0 fork 0 watcher
Born at : May 7, 2023, 8:25 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-46703 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-46703 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Aug. 04, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 17, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 11, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Mar. 21, 2024

    Action Type Old Value New Value
    Added Tag MITRE unsupported-when-assigned
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Description ** UNSUPPORTED WHEN ASSIGNED ** 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. 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
  • Initial Analysis by [email protected]

    Mar. 14, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/Antaris/RazorEngine/issues/585 No Types Assigned https://github.com/Antaris/RazorEngine/issues/585 Exploit, Third Party Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:razorengine_project:razorengine:*:*:*:*:*:*:*:* versions up to (excluding) 4.5.1 *cpe:2.3:a:razorengine_project:razorengine:4.5.1:alpha001:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-46703 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-46703 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.36 }} 0.03%

score

0.73050

percentile

CVSS31 - Vulnerability Scoring System
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