CVE-2022-21667

Name: CVE-2022-21667
Creator: NVD / NIST
Published: 2022-01-10T14:12:31.747+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.62%

Last modified Jun 17, 2026

CVE-2022-21667 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. soketi is an open-source WebSockets server. There is an unhandled case when reading POST requests which results in the server crashing if it could not read the body of a request. EPSS estimates a 1.62% chance of exploitation in the next 30 days.

Description

soketi is an open-source WebSockets server. There is an unhandled case when reading POST requests which results in the server crashing if it could not read the body of a request. In the event that a POST request is sent to any endpoint of the server with an empty body, even unauthenticated with the Pusher Protocol, it will crash the server. All users that run the server are affected by this vulnerability and it's highly recommended to upgrade to the latest patch. There are no workarounds for this issue.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.62%

73.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Soketi Project	Soketi	< 0.24.1

References

https://github.com/soketi/soketi/commit/4b12efef9c31117c36a0a0f1c3aa32114e86364bPatch, Third Party Advisory
https://github.com/soketi/soketi/releases/tag/0.24.1Release Notes, Third Party Advisory
https://github.com/soketi/soketi/security/advisories/GHSA-86ch-6w7v-v6xfThird Party Advisory
https://github.com/soketi/soketi/commit/4b12efef9c31117c36a0a0f1c3aa32114e86364bPatch, Third Party Advisory
https://github.com/soketi/soketi/releases/tag/0.24.1Release Notes, Third Party Advisory
https://github.com/soketi/soketi/security/advisories/GHSA-86ch-6w7v-v6xfThird Party Advisory

Timeline

Published: Jan 10, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-21667?

How severe is CVE-2022-21667?

CVE-2022-21667 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.62% probability of exploitation in the next 30 days.

How do I fix CVE-2022-21667?

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-2022-21667?

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

Scan your code now

Source: NVD / NIST