CVE-2021-43755
Adobe After Effects Memory Corruption could lead to Arbitrary Code Execution
Adobe After Effects versions 22.0 (and earlier) and 18.4.2 (and earlier) are affected by an Out-of-bounds Write vulnerability due to insecure handling of a malicious file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- 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 After Effects Memory Corruption could lead to Arbitrary Code Execution
Adobe After Effects versions 22.0 (and earlier) and 18.4.2 (and earlier) are affected by an Out-of-bounds Write vulnerability due to insecure handling of a malicious file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.
- Record
CVE-2021-43755- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2021-30662
Adobe After Effects versions 22.0 (and earlier) and 18.4.2 (and earlier) are affected by an Out-of-bounds Write vulnerability due to insecure handling of a malicious file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.
- Record
EUVD-2021-30662- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-3r52-r3h6-pp5w
Adobe After Effects versions 22.0 (and earlier) and 18.4.2 (and earlier) are affected by a memory...
Adobe After Effects versions 22.0 (and earlier) and 18.4.2 (and earlier) are affected by a memory corruption vulnerability due to insecure handling of a malicious file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.
- Record
GHSA-3r52-r3h6-pp5w- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-787, CWE-788
- Updated
- 2026-11-02
NVD
Adobe After Effects versions 22.0 (and earlier) and 18.4.2 (and earlier) are affected by an Out-of-bounds Write vulnerability due to insecure handling of a malicious file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.
- Record
CVE-2021-43755- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-787
- 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-2021-43755 is a high vulnerability (CVSS 7.8) in Adobe After Effects, published June 15, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.93%, the 80th percentile. No source names a fixed version.