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

Severity: medium (CVSS 4.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-11-18 · updated 2026-06-17
Weakness: CWE-379

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.

Affected products

Adobe Creative Cloud (desktop component): through 5.5

References

https://helpx.adobe.com/security/products/creative-cloud/apsb21-111.html
https://helpx.adobe.com/security/products/creative-cloud/apsb21-111.html

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