7.5

CVE-2022-29866: opcfoundation ua_.net_standard_stack Uncontrolled Resource Consumption

CVSS: 7.5v3.1HighModified
AliasesGHSA-6fp8-cxc9-4fr9
Published 16-06-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-29866 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in opcfoundation ua_.net_standard_stack. EPSS estimates a 1.68% chance of exploitation in the next 30 days, higher than 76.5% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.68%
0%100%
Low · -0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 16-06-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

OPC UA .NET Standard Stack 1.04.368 allows a remote attacker to exhaust the memory resources of a server via a crafted request that triggers Uncontrolled Resource Consumption.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.68%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

-0.05 pp

From 1.72% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.68%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

NuGet1 product
  • OPCFoundation.NetStandard.Opc.Ua.Core< 1.4.368.58
Opcfoundation1 product

2 vendors · 2 products

References

5 links