9.8

CVE-2021-23450: debian debian_linux Prototype Pollution

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2021-23450DEBIAN-CVE-2021-23450GHSA-m8gw-hjpr-rjv7
Published 17-12-2021Last modified 08-10-2026

Vulnerability summary

CVE-2021-23450 is a critical (CVSS 9.8) Prototype Pollution vulnerability in debian debian_linux. EPSS estimates a 30.37% chance of exploitation in the next 30 days, higher than 98.2% of scored vulnerabilities. 5 public exploits are recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
30.37%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits5reference

Advisory lineage

Upstream 0 · Downstream 3 · Related 1

Timeline

  1. 17-12-2021
    PublishedVulnerability first disclosed.
  2. 08-10-2026
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

30.37%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 30.37% on 18-09-2026

18-09-202618-10-2026
EPSS score
30.37%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

5 found
  • referenceUnverified

    Exploit Reference (snyk.io)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (snyk.io)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (snyk.io)

    Maturity: unknown

Show all 5 exploits
  • referenceUnverified

    Exploit Reference (snyk.io)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (snyk.io)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Oracle3 products
Debian2 products
Linuxfoundation1 product
Npm1 product
  • dojo≤ 1.16.4
Ubuntu1 product
  • dojo< 1.10.4+dfsg-2ubuntu0.1~esm1 | All versions (No fix recorded) | < 1.15.0+dfsg1-1ubuntu0.1~esm1 | < 1.15.4+dfsg1-1ubuntu0.1

5 vendors · 8 products

References

15 links
Show all 15 references