CVE-2022-25231Network attack vector

Service interruption via oversized NodeID allocation

Published Aug 23, 2022 · Updated Sep 16, 2024

Resource exhaustion in Sterfive SAS node-opcua before 2.74.0 allows remote attackers to interrupt an OPC UA server with a crafted message. The message decoder accepts a specially formed OPC UA NodeID and requests an allocation beyond the V8 heap limit instead of rejecting it. No authentication or user interaction is required; processing the message exhausts process memory and terminates the server process.

CVSS severity7.5
High
EPSS probability1.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Resource exhaustion in Sterfive SAS node-opcua before 2.74.0 allows remote attackers to interrupt an OPC UA server with a crafted message. The message decoder accepts a specially formed OPC UA NodeID and requests an allocation beyond the V8 heap limit instead of rejecting it. No authentication or user interaction is required; processing the message exhausts process memory and terminates the server process.

The record

CVE
CVE-2022-25231
Published
Aug 23, 2022
Updated
Sep 16, 2024
Vendor
Sterfive SAS
Product
node-opcua
Classifications
CWE-770, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 23, 2022CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <2.74.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Sterfive SAS · node-opcuaversion=unspecified <2.74.0

Published CVSS scores

7.5SnykCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-770Allocation of Resources Without Limits or Throttling
T1499.004Endpoint Denial of Service: Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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