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Fencer Vulns
high 7.5

CVE-2020-28267 json

Prototype pollution in @strikeentco/set

published 2020-11-10 5 y ago modified 2026-06-17 4 mo ago also GHSA-wwg2-2crq-6grr , EUVD-2022-5655

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

Prototype pollution vulnerability in '@strikeentco/set' version 1.0.0 allows attacker to cause a denial of service and may lead to remote code execution.

Patch / fix

  • npm @strikeentco/set 1.0.1

Exploit prediction

2.29% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
npm @strikeentco/set
>=1.0.0, <1.0.1
1.0.1

Affected products

  • n/a @strikeentco/set

Classification

Weakness
  • CWE-1321 Improperly Controlled Modification of Object Prototype Attributes

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.