CVE-2021-46541 Explained : Impact and Mitigation

Cesanta MJS v2.20.0 has a SEGV vulnerability in /usr/local/bin/mjs+0x2c6ae, potentially leading to a DoS attack.

Understanding CVE-2021-46541

This CVE involves a vulnerability in Cesanta MJS v2.20.0 that could be exploited for a Denial of Service attack.

What is CVE-2021-46541?

The CVE-2021-46541 vulnerability exists in Cesanta MJS v2.20.0 and can be triggered through the specified pathway, potentially resulting in a Denial of Service attack.

The Impact of CVE-2021-46541

The vulnerability could allow attackers to execute a Denial of Service attack, disrupting the normal functioning of the affected system.

Technical Details of CVE-2021-46541

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability is a SEGV issue in Cesanta MJS v2.20.0, identified in the /usr/local/bin/mjs+0x2c6ae application code.

Affected Systems and Versions

Product: n/a
Vendor: n/a
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Exploitation Mechanism

The vulnerability can be exploited by triggering a specific sequence of actions within Cesanta MJS v2.20.0.

Mitigation and Prevention

Following are the recommendations to mitigate the CVE-2021-46541 vulnerability.

Immediate Steps to Take

Update Cesanta MJS to a patched version if available.
Implement network security measures to prevent unauthorized access.

Long-Term Security Practices

Conduct regular security assessments and vulnerability scans.
Educate users on safe coding practices to minimize vulnerabilities.

Patching and Updates

Stay informed about security updates from Cesanta and promptly apply patches to address known vulnerabilities.