CVE-2022-25231: The package node-opcua before 2.74.0 are vulnerable to Denial of Service (DoS) by sending a specifically craft

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HIGH 7.5REMOTEUPGRADE

CVE-2022-25231 is a high-severity flaw (CVSS 7.5) affecting node-opcua. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The package node-opcua before 2.74.0 are vulnerable to Denial of Service (DoS) by sending a specifically crafted OPC UA message with a special OPC UA NodeID, when the requested memory allocation exceeds the v8’s memory limit.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-770
Published	2022-08-23
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: node-opcua project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-08-23 05:15 UTCPublished CVE record published
2026-06-17 04:33 UTCUpdated Record last modified

node-opcua project node-opcua UPGRADE

Affected: < 2.74.0

Fixed in: 2.74.0

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls node-opcua

2. UPGRADE to 2.74.0

npm install node-opcua@">=2.74.0"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-25231?

node-opcua: upgrade to 2.74.0. Exact commands for each OS are on this page.

Is CVE-2022-25231 being exploited?

CVE-2022-25231 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-25231 affect?

CVE-2022-25231 affects node-opcua. Severity is high (CVSS 7.5). The package node-opcua before 2.74.0 are vulnerable to Denial of Service (DoS) by sending a specifically crafted OPC UA message with a special OPC UA NodeID, when the requested memory allocation exceeds the v8’s memory limit.

How urgent is CVE-2022-25231?

Priority 49/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2022-24375 HIGH 7.5 UPGRADE The package node-opcua before 2.74.0 are vulnerable to Denial of Service (DoS) when bypassing the limitations
CVE-2022-21208 HIGH 7.5 UPGRADE The package node-opcua before 2.74.0 are vulnerable to Denial of Service (DoS) due to a missing limitation on

References

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