> Source: [sk173187](https://support.checkpoint.com/results/sk/sk173187)

# sk173187 - Check Point Response to CVE-2021-30356 - denial-of-service vulnerability in Identity Agent

| Property | Value |
|----------|-------|
| Solution ID | sk173187 |
| Date Created | 2021-04-22 |
| Last Modified | 2025-02-09 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R81 (EOS) |
| OS | Windows |

## Symptoms

- * Researchers from "usd AG" responsibly disclosed a vulnerability in the Identity Awareness Agent.

* The issue was fixed in version R81.018.0000

## Cause

A denial-of-service vulnerability was reported in Check Point Identity Agent before R81.018.0000, which could allow low privileged users to overwrite protected system files.  

This issue was published as [CVE-2021-30356](https://www.cve.org/CVERecord?id=CVE-2021-30356).  

The write-up for the vulnerability is available at: <https://herolab.usd.de/security-advisories/usd-2021-0005/>.

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## Solution

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