CVE-2021-44255 : What You Need to Know

MotionEye <= 0.42.1 and MotioneEyeOS <= 20200606 are vulnerable to authenticated remote code execution, allowing attackers to execute arbitrary code on the server.

Understanding CVE-2021-44255

This CVE identifies a critical vulnerability in MotionEye software that enables remote code execution by uploading a malicious configuration backup file.

What is CVE-2021-44255?

The authenticated remote code execution vulnerability in MotionEye <= 0.42.1 and MotioneEyeOS <= 20200606 allows a remote attacker to upload a configuration backup file containing a malicious python pickle file, leading to the execution of arbitrary code on the server.

The Impact of CVE-2021-44255

The presence of this vulnerability poses a severe threat as it allows attackers to execute code remotely, potentially leading to unauthorized access, data breaches, and system compromise.

Technical Details of CVE-2021-44255

MotionEye software has the following technical details regarding this CVE:

Vulnerability Description

The vulnerability enables authenticated remote code execution by uploading a configuration backup file with a malicious python pickle file, providing attackers with the capability to execute arbitrary code.

Affected Systems and Versions

MotionEye <= 0.42.1
MotioneEyeOS <= 20200606

Exploitation Mechanism

Attackers can exploit this vulnerability by uploading a configuration backup file with a crafted python pickle file, initiating the execution of malicious code on the server.

Mitigation and Prevention

It is crucial to take immediate action to mitigate the risks associated with CVE-2021-44255:

Immediate Steps to Take

Update MotionEye software to the latest patched version.
Implement strict access controls and authentication mechanisms.
Monitor and audit file uploads and server activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Educate users on secure configuration practices and threat awareness.
Stay informed about software updates and security best practices.

Patching and Updates

Apply security patches promptly to address known vulnerabilities.
Follow best practices for software configuration and security hardening.
Monitor official sources for updates and security advisories.