CVE-2021-40780 : What You Need to Know

Adobe Media Encoder version 15.4.1 (and earlier) is affected by a memory corruption vulnerability that could lead to arbitrary code execution. This CVE record provides detailed insights into the vulnerability, impact, and mitigation steps.

Understanding CVE-2021-40780

Adobe Media Encoder MXF file memory corruption vulnerability could lead to arbitrary code execution.

What is CVE-2021-40780?

Adobe Media Encoder version 15.4.1 (and earlier) is prone to a memory corruption vulnerability. An attacker can exploit this flaw by manipulating a malicious file, potentially resulting in arbitrary code execution within the context of the current user. User interaction is necessary to trigger this vulnerability.

The Impact of CVE-2021-40780

CVSS Base Score: 7.8 (High)
Attack Vector: Local
Attack Complexity: Low
User Interaction: Required
Confidentiality, Integrity, and Availability Impact: High

Technical Details of CVE-2021-40780

Adobe Media Encoder is susceptible to the following technical details:

Vulnerability Description

The vulnerability arises from insecure handling of malicious files, leading to memory corruption and potential code execution.

Affected Systems and Versions

Product: Media Encoder
Vendor: Adobe
Affected Versions:
15.4.1 and earlier (unspecified custom version)
None specified

Exploitation Mechanism

The vulnerability requires user interaction to exploit. By tricking a user into processing a specially crafted file, an attacker can execute arbitrary code within the user's context.

Mitigation and Prevention

It is crucial to take immediate and long-term steps to secure systems from CVE-2021-40780.

Immediate Steps to Take

Update Adobe Media Encoder to the latest patched version.
Be cautious when opening files from untrusted sources.
Implement security awareness training to educate users about file safety.

Long-Term Security Practices

Regularly update software and maintain a robust patch management process.
Use reputable security solutions to detect and block malicious files.

Patching and Updates

Adobe has released patches to address this vulnerability. Ensure timely installation of updates to protect systems from potential exploits.