CVE-2022-24298

Name: CVE-2022-24298
Creator: NVD / NIST
Published: 2022-08-23T05:15:07.76+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.78%

Last modified Jun 17, 2026

CVE-2022-24298 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. All versions of package freeopcua/freeopcua are vulnerable to Denial of Service (DoS) when bypassing the limitations for excessive memory consumption by sending multiple CloseSession requests with the deleteSubscription parameter equal to False.. EPSS estimates a 0.78% chance of exploitation in the next 30 days.

Description

All versions of package freeopcua/freeopcua are vulnerable to Denial of Service (DoS) when bypassing the limitations for excessive memory consumption by sending multiple CloseSession requests with the deleteSubscription parameter equal to False.

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

0.78%

51.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Freeopcua	Freeopcua	All versions

References

https://github.com/FreeOpcUa/freeopcua/issues/391Issue Tracking, Third Party Advisory
https://security.snyk.io/vuln/SNYK-UNMANAGED-FREEOPCUAFREEOPCUA-2988720Third Party Advisory
https://github.com/FreeOpcUa/freeopcua/issues/391Issue Tracking, Third Party Advisory
https://security.snyk.io/vuln/SNYK-UNMANAGED-FREEOPCUAFREEOPCUA-2988720Third Party Advisory

Timeline

Published: Aug 23, 2022
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2022-24298?

How severe is CVE-2022-24298?

CVE-2022-24298 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.

How do I fix CVE-2022-24298?

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-2022-24298?

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

Scan your code now

Source: NVD / NIST