CVE-2021-46547 : Vulnerability Insights and Analysis
Learn about CVE-2021-46547 impacting Cesanta MJS v2.20.0. Discover the vulnerability details, affected systems, exploitation risk, and mitigation steps to secure your systems.
Cesanta MJS v2.20.0 has a SEGV vulnerability that can result in a Denial of Service (DoS).
Understanding CVE-2021-46547
This CVE involves a vulnerability in Cesanta MJS v2.20.0 that could lead to a Denial of Service (DoS).
What is CVE-2021-46547?
Cesanta MJS v2.20.0 contains a SEGV vulnerability through /usr/local/bin/mjs+0x2c17e, potentially resulting in a DoS.
The Impact of CVE-2021-46547
The vulnerability in Cesanta MJS v2.20.0 may allow attackers to cause a Denial of Service condition, impacting system availability.
Technical Details of CVE-2021-46547
This section provides technical insights into the CVE.
Vulnerability Description
Cesanta MJS v2.20.0 is vulnerable to a SEGV issue via /usr/local/bin/mjs+0x2c17e, which hackers can exploit for a DoS attack.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Version: n/a
Exploitation Mechanism
The vulnerability can be exploited by attackers via /usr/local/bin/mjs+0x2c17e to trigger the Denial of Service flaw.
Mitigation and Prevention
Protect systems from CVE-2021-46547 to ensure security.
Immediate Steps to Take
- Monitor vendor updates for patches addressing the vulnerability.
- Implement firewall rules to restrict unauthorized access.
- Consider network segmentation to limit attack surfaces.
Long-Term Security Practices
- Regularly update software to patch known vulnerabilities.
- Conduct security assessments to identify and mitigate risks proactively.
Patching and Updates
- Apply patches or upgrades provided by Cesanta to fix the vulnerability promptly.