CVE-2021-21078
Adobe Creative Cloud Unquoted Service Path in CCXProcess
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
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Adobe Creative Cloud Unquoted Service Path in CCXProcess
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
- Record
CVE-2021-21078- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-426
- Updated
- 2026-11-02
EUVDEUVD-2021-8469
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
- Record
EUVD-2021-8469- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-m37j-xrjp-4fj2 No score
Adobe Creative Cloud Desktop Application version 5.3 (and earlier) is affected by an Unquoted...
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
- Record
GHSA-m37j-xrjp-4fj2- Weakness
- CWE-426
- Updated
- 2026-11-02
NVD
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
- Record
CVE-2021-21078- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H - CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.4 Medium
AV:L/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-426
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21078 is a medium vulnerability (CVSS 6.5) in Adobe Creative Cloud Desktop Application, published March 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.08%, the 65th percentile. No source names a fixed version.