CVE-2021-43017
Adobe Creative Cloud DLL Hijacking Local Application Denial of Service
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.
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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Adobe Creative Cloud DLL Hijacking Local Application Denial of Service
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.
- Record
CVE-2021-43017- CVSS 3.1
- 4.2 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-379
- Updated
- 2026-11-02
EUVDEUVD-2021-29971
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.
- Record
EUVD-2021-29971- CVSS 3.1
- 4.2 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-85rf-rp2v-42mg No score
Adobe Creative Cloud version 5.5 (and earlier) are affected by an Application denial of service...
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 could leverage this vulnerability to achieve denial of service in the context of the user. User interaction is required before product installation to abuse this vulnerability.
- Record
GHSA-85rf-rp2v-42mg- Weakness
- CWE-379
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-43017- CVSS 3.1
- 4.2 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:N/A:P - Weakness
- CWE-379
- 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-2021-43017 is a medium vulnerability (CVSS 4.2) in Adobe Creative Cloud Desktop Application, published November 18, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.17%, the 67th percentile. No source names a fixed version.