How serious is CVE-2022-24298?

This vulnerability has a CVSS score of 7.5 out of 10, classified as HIGH severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2022-24298?

Yes, proof-of-concept exploit code for CVE-2022-24298 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2022-24298?

CVE-2022-24298 affects freeopcua freeopcua. Check the full CVE details for specific version information.

How do I fix CVE-2022-24298?

To remediate CVE-2022-24298, check for security patches from freeopcua. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2022-24298

High

|7.5

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker to crash the freeopcua service by overwhelming it with too many CloseSession requests that consume excessive memory. The attacker needs to send these requests with a specific parameter set to False, which can lead to a Denial of Service for legitimate users.

Technical 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.

CVSS Vector Analysis

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

Confidentiality ImpactNone

Integrity ImpactNone

Availability ImpactHigh

ScopeUnchanged

Vector String

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

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$2,053($1K-$5K)

Vendor Response

Grade FPatched in 1288 days

Quick Information

Published

Aug 23, 2022

over 3 years ago

Last Modified

Mar 3, 2026

about 1 month ago

Vendor

freeopcua

Product

freeopcua