CVE-2021-21078: Adobe Creative Cloud Unquoted Service Path in CCXProcess

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-03-12 · updated 2026-06-17
Weakness: CWE-426

Description

Adobe Creative Cloud Desktop Application version 5.3 (and earlier) is affected by an Unquoted Service Path vulnerability in CCXProcess that could allow an attacker to achieve arbitrary code execution in the process of the current user. Exploitation of this issue requires user interaction

Affected products

Adobe Creative Cloud (desktop component): through 5.3

References

https://helpx.adobe.com/security/products/creative-cloud/apsb21-18.html
https://helpx.adobe.com/security/products/creative-cloud/apsb21-18.html

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