Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
CVE-2021-23700 Details
Description
All versions of package merge-deep2 are vulnerable to Prototype Pollution via the mergeDeep() function.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://snyk.io/vuln/SNYK-JS-MERGEDEEP2-1727593 | CVE | ExploitMitigationThird Party Advisory |
| https://snyk.io/vuln/SNYK-JS-MERGEDEEP2-1727593 | [email protected] | ExploitMitigationThird Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-1321 | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| merge-deep2 project merge-deep2 | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Dec 14, 2021 | Initial Analysis | [email protected] |