CVE-2022-24298

7.5 HIGH

Published: August 23, 2022 Modified: March 03, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/FreeOpcUa/freeopcua/issues/391

Source: report@snyk.io

Issue Tracking Third Party Advisory

https://security.snyk.io/vuln/SNYK-UNMANAGED-FREEOPCUAFREEOPCUA-2988720

Source: report@snyk.io

Third Party Advisory

https://github.com/FreeOpcUa/freeopcua/issues/391

Source: af854a3a-2127-422b-91ae-364da2661108

Issue Tracking Third Party Advisory

https://security.snyk.io/vuln/SNYK-UNMANAGED-FREEOPCUAFREEOPCUA-2988720

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

0.5%

65th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-770

Affected Vendors

freeopcua

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