CVE-2022-21122
9.0 · CRITICALOverview
CVE-2022-21122 is a critical-severity vulnerability affecting metarhia metacalc. It was published on June 8, 2022 and has a CVSS 3.1 base score of 9.0 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
The package metacalc before 0.0.2 are vulnerable to Arbitrary Code Execution when it exposes JavaScript's Math class to the v8 context. As the Math class is exposed to user-land, it can be used to get access to JavaScript's Function constructor.
Remediation
Check the references section for vendor advisories and patches from metarhia. Update metacalc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| metarhia | metacalc | >= 0, < 0.0.2 | Affected |
References
Frequently Asked Questions
What is CVE-2022-21122?
CVE-2022-21122 is a critical-severity vulnerability affecting metarhia metacalc. It was published on June 8, 2022 and has a CVSS 3.1 base score of 9.0 (CRITICAL).
How severe is CVE-2022-21122?
This vulnerability has a CVSS 3.1 base score of 9.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2022-21122?
Check the references section for vendor advisories and patches from metarhia. Update metacalc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-21122?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-21122 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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