CVE-2022-0432

Name: CVE-2022-0432
Creator: NVD / NIST
Published: 2022-02-02T22:15:07.503+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 4.46%

Last modified Jun 17, 2026

CVE-2022-0432 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Prototype Pollution in GitHub repository mastodon/mastodon prior to 3.5.0.. EPSS estimates a 4.46% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

4.46%

90.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Joinmastodon	Mastodon	< 3.5.0

References

https://github.com/mastodon/mastodon/commit/4d6d4b43c6186a13e67b92eaf70fe1b70ea24a09Patch, Third Party Advisory
https://huntr.dev/bounties/d06da292-7716-4d74-a129-dd04773398d7Exploit, Third Party Advisory
https://github.com/mastodon/mastodon/commit/4d6d4b43c6186a13e67b92eaf70fe1b70ea24a09Patch, Third Party Advisory
https://huntr.dev/bounties/d06da292-7716-4d74-a129-dd04773398d7Exploit, Third Party Advisory

Timeline

Published: Feb 2, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-0432?

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

How severe is CVE-2022-0432?

CVE-2022-0432 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 4.46% probability of exploitation in the next 30 days.

How do I fix CVE-2022-0432?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-0432?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST