CVE-2021-23574

All versions of package js-data are vulnerable to Prototype Pollution via the deepFillIn and the set functions. This is an incomplete fix of [CVE-2020-28442](https://snyk.io/vuln/SNYK-JS-JSDATA-1023655).

• CWE-1321

• https://github.com/js-data/js-data/blob/master/dist/js-data.js%23L472Broken Link, Third Party Advisory
• https://github.com/js-data/js-data/issues/576Issue Tracking, Patch, Third Party Advisory
• https://github.com/js-data/js-data/issues/577Issue Tracking, Patch, Third Party Advisory
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-2320790Exploit, Third Party Advisory
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2320791Exploit, Third Party Advisory
• https://snyk.io/vuln/SNYK-JS-JSDATA-1584361Exploit, Third Party Advisory
• https://github.com/js-data/js-data/blob/master/dist/js-data.js%23L472Broken Link, Third Party Advisory
• https://github.com/js-data/js-data/issues/576Issue Tracking, Patch, Third Party Advisory
• https://github.com/js-data/js-data/issues/577Issue Tracking, Patch, Third Party Advisory
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-2320790Exploit, Third Party Advisory
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2320791Exploit, Third Party Advisory
• https://snyk.io/vuln/SNYK-JS-JSDATA-1584361Exploit, Third Party Advisory

Published

Dec 24, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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