Is CVE-2022-21122 in the CISA KEV catalog?

No. CVE-2022-21122 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-21122?

CVE-2022-21122 has a CVSS v3 base score of 9.0 (CRITICAL).

What is the EPSS score for CVE-2022-21122?

CVE-2022-21122 has an EPSS score of 2.39% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-21122?

Upgrade metacalc to 0.0.2 or later.

CVE & CISA-KEV Catalog

CVE-2022-21122

CRITICALEPSS 82th pctl

9.0

CVSS v3

NVD

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.

CWE-94Code Injection

How to fix

Remediation Available

metacalcNVD

Affected:< 0.0.2Fixed in:0.0.2CVE-2022-21122derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Exploit Intelligence

2.39%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Patch2

Exploit1

snyk.io

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-9841	Critical	9.8	100%	KEV	Fix
CVE-2015-1635	Critical	9.8	100%	KEV	-
CVE-2022-22954	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-22204	Medium	6.8	100%	KEV	Fix
CVE-2025-3248	Critical	9.8	100%	KEV	Fix
CVE-2012-0158	High	8.8	100%	KEV	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.