# CVE-2021-36277: Dell Command | Update: Improper Verification of Cryptographic Signature

CVE-2021-36277 is fixed in Dell Command | Update on 1 platform by Dell Command | Update 4.3.0 (version 4.3.0), released July 22, 2021. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-36277
- Priority: High
- CVSS: 7.8
- EPSS: 0.0017
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 9, 2021
- Weakness: CWE-347: Improper Verification of Cryptographic Signature
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-36277

## Description

Dell Command | Update, Dell Update, and Alienware Update versions before 4.3 contains an Improper Verification of Cryptographic Signature Vulnerability. A local authenticated malicious user may exploit this vulnerability by executing arbitrary code on the system.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Dell Command \| Update | 4.3.0 | [Dell Command \| Update 4.3.0](https://patchblox.com/security/data/fix/windows-app/dell.commandupdate-4.3.0.md) | Jul 22, 2021 |

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Data as of 2026-11-09T01:18:40Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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