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Vulnerability record · CVE-2021-23440 · published 12 September 2021

CVE-2021-23440: Set-value project set-value type confusion vulnerability

SSet Value Project · Set Value

This affects the package set-value before <2.0.1, >=3.0.0 <4.0.1. A type confusion vulnerability can lead to a bypass of CVE-2019-10747 when the user-provided keys used in the path parameter are arrays.

9.8 CVSS 3.1 Critical EPSS 2.2% · top 18.1% CWE-843 · Type confusion
9.8CVSS 3.1 base score, v2 7.5
2.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
12References, 6 tagged exploit
17 Jun 2026Last modified by NVD

Description

This affects the package set-value before <2.0.1, >=3.0.0 <4.0.1. A type confusion vulnerability can lead to a bypass of CVE-2019-10747 when the user-provided keys used in the path parameter are arrays.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/jonschlinkert/set-value/commit/7cf8073bb06bf0c15e08475f9f952823b4576452 PatchThird Party Advisory
https://github.com/jonschlinkert/set-value/pull/33 PatchThird Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1584212 ExploitThird Party Advisory
https://snyk.io/vuln/SNYK-JS-SETVALUE-1540541 ExploitThird Party Advisory
https://www.huntr.dev/bounties/2eae1159-01de-4f82-a177-7478a408c4a2/ ExploitThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html PatchThird Party Advisory
https://github.com/jonschlinkert/set-value/commit/7cf8073bb06bf0c15e08475f9f952823b4576452 PatchThird Party Advisory
https://github.com/jonschlinkert/set-value/pull/33 PatchThird Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1584212 ExploitThird Party Advisory
https://snyk.io/vuln/SNYK-JS-SETVALUE-1540541 ExploitThird Party Advisory
https://www.huntr.dev/bounties/2eae1159-01de-4f82-a177-7478a408c4a2/ ExploitThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html PatchThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-23440), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.