CVE-2021-22793 : Security Advisory and Response

A CWE-200 vulnerability has been identified in AccuSine PCS+ / PFV+ (Versions prior to V1.6.7) and AccuSine PCSn (Versions prior to V2.2.4) that could allow an authenticated attacker to access the device via FTP protocol.

Understanding CVE-2021-22793

This CVE identifies an Exposure of Sensitive Information to an Unauthorized Actor vulnerability in specific versions of AccuSine PCS+ / PFV+ and AccuSine PCSn.

What is CVE-2021-22793?

CVE-2021-22793 is a CWE-200 vulnerability that enables an authenticated attacker to gain unauthorized access to affected devices via the FTP protocol.

The Impact of CVE-2021-22793

The vulnerability can lead to unauthorized access by attackers, potentially compromising sensitive information stored on the affected devices.

Technical Details of CVE-2021-22793

This section provides more insight into the vulnerability, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability allows authenticated attackers to access the vulnerable devices through the FTP protocol, posing a risk of unauthorized data exposure.

Affected Systems and Versions

AccuSine PCS+ / PFV+ versions prior to V1.6.7 and AccuSine PCSn versions prior to V2.2.4 are impacted by this vulnerability.

Exploitation Mechanism

Attackers with authenticated access can exploit the vulnerability to gain unauthorized access to the affected devices using the FTP protocol.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-22793, follow the recommended security measures outlined below.

Immediate Steps to Take

Upgrade affected systems to the latest patched versions to eliminate the vulnerability.
Restrict network access to the devices to prevent unauthorized entry.

Long-Term Security Practices

Implement regular security audits and vulnerability assessments to identify and address potential threats.
Educate staff on secure practices to minimize the exploitation of vulnerabilities.

Patching and Updates

Stay informed about security updates from the vendor and apply patches promptly to ensure the protection of your systems.