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Fencer Vulns
high 8.2

CVE-2024-21529 json

dset Prototype Pollution vulnerability

published 2024-09-11 2 y ago modified 2026-07-20 3 mo ago also EUVD-2024-2781 , GHSA-f6v4-cf5j-vf3w

cvss
8.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

Versions of the package dset before 3.1.4 are vulnerable to Prototype Pollution via the dset function due improper user input sanitization. This vulnerability allows the attacker to inject malicious object property using the built-in Object property __proto__, which is recursively assigned to all the objects in the program.

Patch / fix

  • npm dset 3.1.4
  • n/a dset 3.1.4
  • n/a org.webjars.npm:dset 3.1.4
  • dset_project dset 3.1.4

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-21529 updated cvss 8.2

dset: Prototype Pollution

  • Red Hat Developer Hub 1.3 for RHEL 9 rhdh/rhdh-hub-rhel9 1.3-100
    fixed: vendor fix RHBA-2024:7523
  • Red Hat OpenShift Serverless dset Red Hat Developer Hub 1 rhdh-operator-container Red Hat Developer Hub 1.3 for RHEL 9 rhdh/rhdh-rhel9-operator 1.3-96, rhdh/rhdh-operator-bundle 1.3-95
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.75% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 8.8 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
CNA 3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L/E:P
GitHub 3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
CNA 4.0 8.8 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA 3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

Affected packages

ecosystem package affected fixed in
npm dset
<3.1.4
3.1.4

Affected products

  • n/a dset
  • n/a org.webjars.npm:dset
  • dset_project dset

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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.