What is CVE-2022-21122?

CVE-2022-21122 is a critical-severity vulnerability in Metarhia Metacalc, classified under Code Injection. CVSS score: 9.0/10. Published 2022-06-08.

How severe is CVE-2022-21122?

Critical severity. CVSS v3 base score is 9.0 out of 10.

RCE in Metarhia Metacalc

CVE-2022-21122

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.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.024 (82.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Metarhia Metacalc
N/a Metacalc — versions unspecified

Weakness classification (CWE)

CWE-94 — Code Injection

References

report@snyk.io (Exploit, Third Party Advisory, x_refsource_MISC)
report@snyk.io (Patch, Third Party Advisory, x_refsource_MISC)
report@snyk.io (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-21122?: CVE-2022-21122 is a critical-severity vulnerability in Metarhia Metacalc, classified under Code Injection. CVSS score: 9.0/10. Published 2022-06-08.
How severe is CVE-2022-21122?: Critical severity. CVSS v3 base score is 9.0 out of 10.