CVE-2021-40760 : What You Need to Know

Adobe After Effects version 18.4.1 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious .m4a file, potentially resulting in arbitrary code execution. Learn the impact, affected systems, and mitigation steps.

Understanding CVE-2021-40760

Adobe After Effects M4A File Parsing Memory Corruption Arbitrary Code Execution

What is CVE-2021-40760?

Adobe After Effects versions <=18.4.1 susceptible to memory corruption from specially crafted .m4a files.
Exploiting the vulnerability requires user interaction to open the malicious file.

The Impact of CVE-2021-40760

CVSS Score: 7.8 (High Severity)
Attack Vector: Local
Privileges Required: None
User Interaction: Required
Affected Confidentiality, Integrity, and Availability: High

Technical Details of CVE-2021-40760

Explore the specifics of this vulnerability.

Vulnerability Description

Vulnerability Type: Memory Corruption
Due to insecure handling of .m4a files

Affected Systems and Versions

Affected Product: After Effects
Vendor: Adobe
Affected Versions: <=18.4.1 and unspecified custom versions

Exploitation Mechanism

User interaction required to open a specially crafted .m4a file

Mitigation and Prevention

Discover the steps to protect systems from CVE-2021-40760.

Immediate Steps to Take

Update Adobe After Effects to a secure version
Avoid opening suspicious .m4a files

Long-Term Security Practices

Implement file format validation checks
Conduct regular security trainings for users

Patching and Updates

Adobe released a security advisory with patches
Regularly check for software updates and apply them promptly