# CVE-2021-43017: Adobe Creative Cloud DLL Hijacking Local Application Denial of Service

CVE-2021-43017 has no fix on record yet for 1 affected product. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-43017
- Priority: Routine
- CVSS: 4.2
- EPSS: 0.0117
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 18, 2021
- Weakness: CWE-379: Creation of Temporary File in Directory with Incorrect Permissions (CWE-379)
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-43017

## Description

Adobe Creative Cloud version 5.5 (and earlier) are affected by an Application denial of service vulnerability in the Creative Cloud Desktop installer. An authenticated attacker with root privileges could leverage this vulnerability to achieve denial of service by planting a malicious file on the victim's local machine. User interaction is required before product installation to abuse this vulnerability.

## Where it's fixed

No fix is on record.

## No fix yet

| Platform | Product | Status |
|---|---|---|
| macOS | Adobe Creative Cloud | no-fix |

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Data as of 2026-11-08T13:06:02Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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