CVE-2020-28273

Name: CVE-2020-28273
Creator: NVD / NIST
Published: 2020-12-02T15:15:12.53+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.88%

Last modified Jun 17, 2026

CVE-2020-28273 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Prototype pollution vulnerability in 'set-in' versions 1.0.0 through 2.0.0 allows attacker to cause a denial of service and may lead to remote code execution.. EPSS estimates a 3.88% chance of exploitation in the next 30 days.

Description

Prototype pollution vulnerability in 'set-in' versions 1.0.0 through 2.0.0 allows attacker to cause a denial of service and may lead to remote code execution.

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

3.88%

88.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Set-In Project	Set-In	>= 1.0.0, <= 2.0.0

References

https://github.com/ahdinosaur/set-in/commit/e431effa00195a6f06b111e09733cd1445a91a88Patch, Third Party Advisory
https://www.whitesourcesoftware.com/vulnerability-databaseThird Party Advisory
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2020-28273Exploit, Third Party Advisory
https://github.com/ahdinosaur/set-in/commit/e431effa00195a6f06b111e09733cd1445a91a88Patch, Third Party Advisory
https://www.whitesourcesoftware.com/vulnerability-databaseThird Party Advisory
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2020-28273Exploit, Third Party Advisory

Timeline

Published: Dec 2, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28273?

Prototype pollution vulnerability in 'set-in' versions 1.0.0 through 2.0.0 allows attacker to cause a denial of service and may lead to remote code execution.

How severe is CVE-2020-28273?

CVE-2020-28273 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.88% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28273?

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-2020-28273?

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

Scan your code now

Source: NVD / NIST