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Fencer Vulns
high 7.5

CVE-2021-3805 json

Prototype Pollution in mariocasciaro/object-path

published 2021-09-17 5 y ago modified 2026-06-17 4 mo ago also GHSA-8v63-cqqc-6r2c , EUVD-2021-2018

cvss
7.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

object-path is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Patch / fix

  • npm object-path 0.11.8
  • mariocasciaro mariocasciaro/object-path 0.11.8
  • node-object-path Debian 14, Debian 13, Debian 12 0.11.8-1

debian advisories DEBIAN-CVE-2021-3805

  • node-object-path Ubuntu 18.04 LTS 0.11.3-1ubuntu0.1
  • node-object-path Ubuntu 20.04 LTS 0.11.4-2ubuntu0.1

ubuntu advisories UBUNTU-CVE-2021-3805

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

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-2021-3805 updated cvss 7.5

nodejs-object-path: prototype pollution vulnerability

  • Red Hat OpenShift Service Mesh 1 servicemesh-prometheus
    affected: no fix planned “Out of support scope”
  • Red Hat OpenShift Service Mesh 2.0 servicemesh-prometheus
    affected: no fix available
  • Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/grc-ui-rhel8, search-ui-container, search-api-container, rhacm2/search-ui-rhel8, rhacm2/console-api-rhel8, rhacm2/mcm-topology-api-rhel8
    affected: no fix available “Fix deferred”
  • Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/application-ui-rhel8
    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

Exploit prediction

2.04% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/571e3baf-7c46-46e3-9003-ba7e4e623053 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
npm object-path
<0.11.8
0.11.8

Affected products

  • mariocasciaro mariocasciaro/object-path

Classification

Weakness
  • CWE-1321 Improperly Controlled Modification of Object Prototype Attributes
  • CWE-915 Improperly Controlled Modification of Dynamically-Determined Object 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.