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CVE-2022-21208

25
FAUCET Score

CVE-2022-21208 is a Denial of Service (DoS) vulnerability affecting node-opcua versions prior to 2.74.0, stemming from a lack of limitation on received data chunks. An unauthenticated attacker can exploit this by sending an unlimited number of large data chunks, causing resource exhaustion and disrupting service. With a CVSS score of 7.5 (High), it presents a significant availability risk, though it has low exploitability complexity. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.74.0CPE matchmatch criteria
cpe:2.3:a:node-opcua_project:node-opcua:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.17%
Probability of exploitation in next 30 days
EPSS Percentile
64.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0117 is in the 43rd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: node-opcuaFixed in: 2.74.0

Vendor Advisories (1)

npmGHSA-4hr4-pjjh-2q2whigh

Uncontrolled Resource Consumption in node-opcua

Aug 24, 2022

References

github.com / node-opcua/node-opcua/commit/33ca3bab4ab781392a2f8d8f5a14de9a0aa0e410
PatchThird Party Advisory
github.com / node-opcua/node-opcua/commit/dbcb5d5191118c22ee9c89332a94b94e6553d76b
PatchThird Party Advisory
github.com / node-opcua/node-opcua/pull/1149
PatchThird Party Advisory
security.snyk.io / vuln/SNYK-JS-NODEOPCUA-2988723
Third Party Advisory