Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2021-3918

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Published: Nov 13, 2021 | Modified: Jan 17, 2025
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
9.8 IMPORTANT
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-3918
CWEhttps://cwe.mitre.org/data/definitions/1321.html

json-schema is vulnerable to Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

Weakness

The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.

Affected Software

NameVendorStart VersionEnd Version
Json-schemaJson-schema_project*0.4.0 (excluding)
Red Hat Advanced Cluster Management for Kubernetes 2.3 for RHEL 8RedHatrhacm2/application-ui-rhel8:v2.3.6-9*
Red Hat Advanced Cluster Management for Kubernetes 2.3 for RHEL 8RedHatrhacm2/console-api-rhel8:v2.3.6-9*
Red Hat Advanced Cluster Management for Kubernetes 2.3 for RHEL 8RedHatrhacm2/grc-ui-api-rhel8:v2.3.6-10*
Red Hat Advanced Cluster Management for Kubernetes 2.3 for RHEL 8RedHatrhacm2/grc-ui-rhel8:v2.3.6-8*
Red Hat Enterprise Linux 8RedHatnodejs:12-8060020220523160029.ad008a3a*
Red Hat Enterprise Linux 8RedHatnodejs:16-8050020211206113934.c5368500*
Red Hat Enterprise Linux 8RedHatnodejs:14-8050020211213115342.c5368500*
Red Hat Enterprise Linux 8.1 Update Services for SAP SolutionsRedHatnodejs:12-8010020220518102644.c27ad7f8*
Red Hat Enterprise Linux 8.2 Extended Update SupportRedHatnodejs:12-8020020220523154454.4cda2c84*
Red Hat Enterprise Linux 8.4 Extended Update SupportRedHatnodejs:12-8040020220523155137.522a0ee4*
Red Hat Enterprise Linux 8.4 Extended Update SupportRedHatnodejs:14-8040020211213111158.522a0ee4*
Red Hat Software Collections for Red Hat Enterprise Linux 7RedHatrh-nodejs14-nodejs-0:14.18.2-1.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7RedHatrh-nodejs14-nodejs-nodemon-0:2.0.3-6.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7RedHatrh-nodejs12-nodejs-0:12.22.12-2.el7*
Node-json-schemaUbuntubionic*
Node-json-schemaUbuntuesm-apps/bionic*
Node-json-schemaUbuntuesm-apps/focal*
Node-json-schemaUbuntufocal*
Node-json-schemaUbuntuhirsute*
Node-json-schemaUbuntuimpish*
Node-json-schemaUbuntutrusty*
Node-json-schemaUbuntuupstream*
Node-json-schemaUbuntuxenial*

Potential Mitigations

References

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