CVE-2021-45856 Explained : Impact and Mitigation

Accu-Time Systems MAXIMUS 1.0 telnet service suffers from a remote buffer overflow leading to a service crash.

Understanding CVE-2021-45856

Accu-Time Systems MAXIMUS 1.0 telnet service vulnerability.

What is CVE-2021-45856?

The vulnerability in Accu-Time Systems MAXIMUS 1.0 telnet service results in a remote buffer overflow, causing the service to crash.

The Impact of CVE-2021-45856

Remote attackers can exploit the buffer overflow to crash the telnet service.
Denial of service (DoS) condition may occur affecting system availability.

Technical Details of CVE-2021-45856

Details of the vulnerability in Accu-Time Systems MAXIMUS 1.0 telnet service.

Vulnerability Description

The vulnerability allows remote attackers to trigger a buffer overflow, leading to a service crash.

Affected Systems and Versions

Product: Accu-Time Systems MAXIMUS 1.0
Vendor: Accu-Time Systems
Version: 1.0

Exploitation Mechanism

Remote attackers exploit the telnet service vulnerability through specially crafted requests.

Mitigation and Prevention

Mitigation strategies for CVE-2021-45856.

Immediate Steps to Take

Implement network segmentation to restrict access to vulnerable services.
Disable telnet service if not required.

Long-Term Security Practices

Regularly update systems and apply security patches.
Conduct periodic security assessments to identify and address vulnerabilities.

Patching and Updates

Apply the latest patches provided by Accu-Time Systems to address the buffer overflow vulnerability.