HOME VULNERABILITIESCVE-2022-37257

CRITICAL

CVE-2022-37257

CWE-1321Published: September 15, 2022· Updated: Jul 9, 2026

9.8

CVSS v3.1

Official Description

Prototype pollution vulnerability in function convertLater in npm-convert.js in stealjs steal 2.2.4 via the requestedVersion variable in npm-convert.js.

Risk Analysis

This is a prototype pollution vulnerability in the convertLater function of stealjs. It is considered critical as it allows remote attackers to potentially achieve arbitrary code execution.

There is no public exploit information available, and it is not in the KEV catalog. It is remotely exploitable with low attack complexity.

Recommended Action

Users should upgrade the stealjs package to a secure version.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-37257 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Affected Vendors & Products

stealjs1 product(s)

steal

Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time

Offensive Security exploit database

GitHub PoC Search

Community PoC repositories

Rapid7 / Metasploit

Metasploit module search

Security advisories & exploits

Official NIST entry

CVE Program entry

External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/npm-convert.js#L362

ADVISORYhttps://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/npm-convert.js#L371

ADVISORYhttps://github.com/stealjs/steal/issues/1526

ADVISORYhttps://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/npm-convert.js#L362

ADVISORYhttps://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/npm-convert.js#L371

ADVISORYhttps://github.com/stealjs/steal/issues/1526

All References (6)

→

https://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/npm-convert.js#L362Third Party Advisory

→

https://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/npm-convert.js#L371Third Party Advisory

→

https://github.com/stealjs/steal/issues/1526Issue Tracking · Third Party Advisory

→

https://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/npm-convert.js#L362Third Party Advisory

→

https://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/npm-convert.js#L371Third Party Advisory

→

https://github.com/stealjs/steal/issues/1526Issue Tracking · Third Party Advisory

Quick Facts

CVE IDCVE-2022-37257

CVSS Score9.8 / 10

SeverityCRITICAL

WeaknessCWE-1321

CISA KEVNo

Affected1 vendor(s)

PublishedSep 15, 2022

Related CVEs (CWE-1321)

Recommended Actions

→Apply vendor patches immediately
→Monitor CVE-2022-37257 in threat intel feeds
→Review IDS/IPS signatures for exploitation attempts

Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.

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