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Fencer Vulns
high 8.1

CVE-2020-36604 json

hoek subject to prototype pollution via the clone function.

published 2022-09-23 4 y ago modified 2026-09-10 1 mo ago also GHSA-c429-5p7v-vgjp , EUVD-2022-6771

cvss
8.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

hoek before 8.5.1 and 9.x before 9.0.3 allows prototype poisoning in the clone function.

Patch / fix

  • npm @hapi/hoek 8.5.1, 9.0.3
  • hapijs hoek 8.5.1, 9.0.3
  • node-hoek Debian 14, Debian 13, Debian 12 9.0.3+~5.0.0+~4.0.0-1

debian advisories DEBIAN-CVE-2020-36604

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-2020-36604 updated cvss 8.1

hapi/hoek: Prototype Pollution in @hapi/hoek

  • Red Hat Migration Toolkit for Containers rhmtc/openshift-migration-ui-rhel8
    affected: no fix planned “Will not fix”
  • Red Hat Migration Toolkit for Virtualization migration-toolkit-virtualization/mtv-ui-rhel8
    affected: no fix available “Fix deferred”
  • Red Hat OpenShift Developer Tools and Services odo Red Hat OpenShift Service Mesh 2 openshift-service-mesh/kiali-rhel8
    affected: no fix planned “Will not fix”
  • Red Hat OpenShift Service Mesh 2.0 servicemesh-prometheus, openshift-service-mesh/kiali-rhel8
    affected: no fix available, no fix planned “Will not fix”
  • Red Hat OpenShift Service Mesh 2.1 servicemesh-prometheus, openshift-service-mesh/kiali-rhel8
    affected: no fix planned “Will not fix”
  • Red Hat Decision Manager 7 hapi-hoek hapi-hoek
    affected: no fix planned “Out of support scope”
  • Red Hat OpenShift Dev Spaces devspaces/dashboard-rhel8
    affected: no fix available
  • Red Hat Process Automation 7 hapi-hoek hapi-hoek
    affected: no fix planned “Will not fix”
show 1 more
  • Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/console-rhel8, rhacm2/search-ui-rhel8, rhacm2/application-ui-rhel8 Red Hat Data Grid 8 hapi-hoek hapi-hoek Red Hat Enterprise Linux 8 pcs, pcs-snmp
    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
none
Automatable
no
Technical impact
total
Assessed
17 mo ago

Exploit prediction

1.24% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
npm @hapi/hoek
<8.5.1
>=9.0.0, <9.0.3
8.5.1
9.0.3
npm hoek
<=6.1.3
 no fix listed

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.