What is CVE-2022-0432?

CVE-2022-0432 is a high-severity vulnerability in Mastodon Mastodon/mastodon, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.4/10. Published 2022-02-02.

How severe is CVE-2022-0432?

High severity. CVSS v3 base score is 7.4 out of 10.

Is CVE-2022-0432 known to be exploited?

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

Prototype Pollution in Mastodon Mastodon/mastodon

CVE-2022-0432

Prototype Pollution in GitHub repository mastodon/mastodon prior to 3.5.0.

Vulnerability class: Prototype Pollution

EPSS: 0.571 (98.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N.

Affected products

Mastodon Mastodon/mastodon — versions unspecified

Weakness classification (CWE)

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

Public proof-of-concept exploits

References

huntr.dev/bounties/d06da292-7716-4d74-a129-dd04773398d7 (x_refsource_CONFIRM)
github.com/mastodon/mastodon/commit/4d6d4b43c6186a13e67b92eaf70fe1b70ea24a09 (x_refsource_MISC)

Frequently asked questions

What is CVE-2022-0432?: CVE-2022-0432 is a high-severity vulnerability in Mastodon Mastodon/mastodon, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.4/10. Published 2022-02-02.
How severe is CVE-2022-0432?: High severity. CVSS v3 base score is 7.4 out of 10.
Is CVE-2022-0432 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.