CVE-2020-36604

highpriority · track · 32EPSS 0.012 · 69 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.24% (69th) EPSS

CVSS 8.1 · high

Is it mine?

6 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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

cvss

Technical severity, 0–10. One row per scoring source.

8.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.2 · impact 5.9

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 2.2 · impact 5.9

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.17.4highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1321USprimaryCWE-1321US

affected products (6)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
hapijs hoek< 8.5.1nvdUScpe:2.3:a:hapijs:hoek:*:*:*:*:*:*:*:*
hapijs hoek9.0 → 9.0.3nvdUScpe:2.3:a:hapijs:hoek:*:*:*:*:*:*:*:*
npm @hapi/hoek< 8.5.1osvUSpkg:npm/%40hapi/hoek
npm @hapi/hoek9.0.0 → 9.0.3osvUSpkg:npm/%40hapi/hoek
npm hoek≤ 6.1.3osvUSpkg:npm/hoek

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-c429-5p7v-vgjphoek subject to prototype pollution via the clone function.2022-09-25ghsa · osvUS
hoek versions prior to 8.5.1, and 9.x prior to 9.0.3 are vulnerable to prototype pollution in the clone function. If an object with the __proto__ key is passed to clone() the key is converted to a prototype. This issue has been patched in version 9.0.3, and backported to 8.5.1.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2022-09-23modified 2026-06-17

related (708)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-34621US	—OT critical	7.23% (94th)	KEV	2026-04-11
Acrobat Reader versions 24.001.30356, 26.001.21367 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerab…
CVE-2019-0230US	critical9.8	96.9% (100th)	Exploit	2020-09-14
Apache Struts 2.0.0 to 2.5.20 forced double OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution.
CVE-2022-24760US	critical10.0	49.4% (99th)	Exploit	2022-03-12
Parse Server is an open source http web server backend. In versions prior to 4.10.7 there is a Remote Code Execution (RCE) vulnerability in Parse Server. This vulnerability affects…
CVE-2019-11358US	medium6.1	86.8% (100th)	Exploit	2019-04-20
jQuery before 3.4.0, as used in Drupal, Backdrop CMS, and other products, mishandles jQuery.extend(true, {}, ...) because of Object.prototype pollution. If an unsanitized source ob…
CVE-2020-7774US	critical9.8	69.4% (99th)	—	2020-11-17
The package y18n before 3.2.2, 4.0.1 and 5.0.5, is vulnerable to Prototype Pollution.

+703 more

references (9)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan