CVE-2021-23760

Name: CVE-2021-23760
Creator: NVD / NIST
Published: 2022-01-28T22:15:09.13+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.68%

Last modified Jun 17, 2026

CVE-2021-23760 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The package keyget from 0.0.0 are vulnerable to Prototype Pollution via the methods set, push, and at which could allow an attacker to cause a denial of service and may lead to remote code execution. **Note:** This vulnerability derives from an incomplete fix to [CVE-2020-28272](https://security.snyk.io/vuln/SNYK-JS-KEYGET-1048048). EPSS estimates a 1.68% chance of exploitation in the next 30 days.

Description

The package keyget from 0.0.0 are vulnerable to Prototype Pollution via the methods set, push, and at which could allow an attacker to cause a denial of service and may lead to remote code execution. **Note:** This vulnerability derives from an incomplete fix to [CVE-2020-28272](https://security.snyk.io/vuln/SNYK-JS-KEYGET-1048048)

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.68%

74.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1321

Affected Software

Vendor	Product	Versions
Keyget Project	Keyget	All versions

References

https://snyk.io/vuln/SNYK-JS-KEYGET-2342624Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-KEYGET-2342624Exploit, Third Party Advisory

Timeline

Published: Jan 28, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-23760?

How severe is CVE-2021-23760?

CVE-2021-23760 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.68% probability of exploitation in the next 30 days.

How do I fix CVE-2021-23760?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-23760?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST