CVE-2021-41419 : Exploit Details and Defense Strategies

QVIS NVR DVR before 2021-12-13 is vulnerable to Remote Code Execution via Java deserialization.

Understanding CVE-2021-41419

QVIS NVR DVR has a vulnerability that allows attackers to execute remote code through Java deserialization.

What is CVE-2021-41419?

CVE-2021-41419 is a vulnerability in QVIS NVR DVR systems that enables Remote Code Execution by exploiting Java deserialization.

The Impact of CVE-2021-41419

This vulnerability can potentially allow malicious actors to execute code remotely, leading to unauthorized access and control over affected systems.

Technical Details of CVE-2021-41419

QVIS NVR DVR's vulnerability to Remote Code Execution via Java deserialization has the following technical aspects:

Vulnerability Description

The flaw allows attackers to exploit Java deserialization to execute remote code on vulnerable QVIS NVR DVR systems.

Affected Systems and Versions

Product: QVIS NVR DVR
Versions affected: Before 2021-12-13

Exploitation Mechanism

Attackers can exploit this vulnerability by performing malicious Java deserialization, enabling them to execute code remotely on vulnerable systems.

Mitigation and Prevention

To address CVE-2021-41419 and enhance security measures, consider the following:

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Monitor network traffic for any suspicious activities.
Implement strong firewall rules to restrict unauthorized access.

Long-Term Security Practices

Regularly update and patch all systems and software.
Conduct periodic security assessments and penetration testing.

Patching and Updates

Ensure to update QVIS NVR DVR systems to versions released after 2021-12-13 to mitigate the vulnerability.