CVE-2022-21122 | BDVDB-2026-177413 Detail

metacalc

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

No weakness recorded in the source data.

References#

Exploit#

No public exploit known

History#

Version 12022-06-03Record published in the CVE List.
Version 22024-09-16Most recent update recorded in the CVE List.

Published

Published: 2022-06-03
Last modified: 2024-09-16

Vendor information

Vendor: Not stated
Product: metacalc

Score

9.0 Critical

EPSS

2.6%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 85.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 0.0.2
Fixed
0.0.2

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.0 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	None
Scope	Changed
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).