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CVE-2020-36604

27
FAUCET Score

CVE-2020-36604 is a prototype poisoning vulnerability affecting the clone function in hapijs hoek versions prior to 8.5.1 and 9.x prior to 9.0.3. This high-severity vulnerability (CVSS 8.1) allows unauthenticated attackers to achieve high impact on confidentiality, integrity, and availability with high attack complexity. While no active exploitation, public exploit code, or significant community discussion has been observed, the potential for severe system compromise remains. Organizations using affected hoek versions should prioritize patching to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 8.5.1CPE matchmatch criteria
cpe:2.3:a:hapijs:hoek:*:*:*:*:*:node.js:*:*
>= 9.0, < 9.0.3CPE matchmatch criteria
cpe:2.3:a:hapijs:hoek:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.99%
Probability of exploitation in next 30 days
EPSS Percentile
58.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0099 is in the 23rd percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (12)

npmpatch availablevia ghsa
Product: @hapi/hoekFixed in: 9.0.3
npmpatch availablevia ghsa
Product: @hapi/hoekFixed in: 8.5.1
redhatvendor investigatingvia redhat_api
Product: Migration Toolkit for VirtualizationFixed in: migration-toolkit-virtualization/mtv-ui-rhel8
redhatno patchvia redhat_api
Product: OpenShift Service Mesh 2.0Fixed in: servicemesh-prometheus
redhatno patchvia redhat_api
Product: Red Hat OpenShift Dev SpacesFixed in: devspaces/dashboard-rhel8
redhatend of lifevia redhat_api
Product: OpenShift Service Mesh 2.1Fixed in: openshift-service-mesh/kiali-rhel8
redhatend of lifevia redhat_api
Product: OpenShift Service Mesh 2.1Fixed in: servicemesh-prometheus
redhatend of lifevia redhat_api
Product: Red Hat Process Automation 7Fixed in: hapi-hoek
redhatend of lifevia redhat_api
Product: Migration Toolkit for ContainersFixed in: rhmtc/openshift-migration-ui-rhel8
redhatend of lifevia redhat_api
Product: OpenShift Developer Tools and ServicesFixed in: odo
redhatend of lifevia redhat_api
Product: OpenShift Service Mesh 2Fixed in: openshift-service-mesh/kiali-rhel8
redhatend of lifevia redhat_api
Product: OpenShift Service Mesh 2.0Fixed in: openshift-service-mesh/kiali-rhel8

Vendor Advisories (2)

npmGHSA-c429-5p7v-vgjphigh

hoek subject to prototype pollution via the clone function.

Sep 25, 2022
redhatCVE-2020-36604Moderate

hapi/hoek: Prototype Pollution in @hapi/hoek

Sep 23, 2022

References

github.com / hapijs/hoek/issues/352
Third Party Advisory
security.snyk.io / vuln/SNYK-JS-HAPIHOEK-548452%29