What is CVE-2021-23450?

CVE-2021-23450 is a high-severity vulnerability in Linuxfoundation Dojo, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.5/10. Published 2021-12-17.

How severe is CVE-2021-23450?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-23450 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Prototype Pollution in Linuxfoundation Dojo

CVE-2021-23450

All versions of package dojo are vulnerable to Prototype Pollution via the setObject function.

Vulnerability class: Prototype Pollution

Published 2021-12-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.304 (98.2th percentile), scored 2026-09-29.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.304 · newest: 0.304 · change: 0.000

Affected products

Linuxfoundation Dojo
Oracle Communications Policy Management — versions 12.6.0.0.0
Oracle Primavera Unifier — versions 18.8, 19.12, 20.12
Oracle Weblogic Server — versions 12.2.1.4.0, 14.1.1.0.0
Debian Linux — versions 10.0
Dojo — versions 0

Weakness classification (CWE)

CWE-1321 — Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

snyk.io/vuln/SNYK-JS-DOJO-1535223 (Exploit, Third Party Advisory, Mitigation)
snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2313033 (Exploit, Third Party Advisory, Mitigation)
snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBDOJO-2313034 (Exploit, Third Party Advisory, Mitigation)
snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-2313035 (Exploit, Third Party Advisory, Mitigation)
snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-2313036 (Exploit, Third Party Advisory, Mitigation)
github.com/dojo/dojo/blob/4c39c14349408fc8274e19b399ffc660512ed07c/_base/lang.j… (Third Party Advisory, Broken Link)
www.oracle.com/security-alerts/cpuapr2022.html (Patch, Third Party Advisory)
www.oracle.com/security-alerts/cpujul2022.html (Patch, Third Party Advisory)
lists.debian.org/debian-lts-announce/2023/01/msg00030.html (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-23450?: CVE-2021-23450 is a high-severity vulnerability in Linuxfoundation Dojo, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.5/10. Published 2021-12-17.
How severe is CVE-2021-23450?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-23450 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.