CVE-2021-23402: All versions of package record-like-deep-assign are vulnerable to Prototype Pollution via the main functionali

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HIGH 7.3REMOTEMITIGATE

CVE-2021-23402 is a high-severity flaw (CVSS 7.3) affecting record-like-deep-assign. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

All versions of package record-like-deep-assign are vulnerable to Prototype Pollution via the main functionality.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Weakness	CWE-1321
Published	2021-07-02
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: record-like-deep-assign project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-07-02 16:15 UTCPublished CVE record published
2026-06-17 03:38 UTCUpdated Record last modified

record-like-deep-assign project record-like-deep-assign MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls record-like-deep-assign

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-23402?

record-like-deep-assign: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-23402 being exploited?

CVE-2021-23402 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-23402 affect?

CVE-2021-23402 affects record-like-deep-assign. Severity is high (CVSS 7.3). All versions of package record-like-deep-assign are vulnerable to Prototype Pollution via the main functionality.

How urgent is CVE-2021-23402?

Priority 52/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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