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CVE-2022-24298

Denial of Service (DoS)

HIGH
7.5
CVSS Score
Published: August 23, 2022 at 05:06 AM UTC
Updated: June 17, 2026 at 04:31 AM UTC
1 product affected across 1 vendorFreeopcua

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Severity
HIGH7.5
Exploit prediction
EPSS 0.9%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Freeopcua· Freeopcua
95%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_MISCIssue TrackingThird Party Advisory
Source: [email protected]
https://github.com/FreeOpcUa/freeopcua/issues/391
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://security.snyk.io/vuln/SNYK-UNMANAGED-FREEOPCUAFREEOPCUA-2988720

CVSS

7.5HIGHsnyk
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-770

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