CVE-2022-29864: opcfoundation ua_.net_standard_stack Uncontrolled Resource Consumption
CVSS: 7.5v3.1HighModified
AliasesGHSA-vhfw-v69p-crcw
Published 16-06-2022Last modified 03-08-2024
Vulnerability summary
CVE-2022-29864 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in opcfoundation ua_.net_standard_stack. EPSS estimates a 1.99% chance of exploitation in the next 30 days, higher than 80.2% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.99%
0%100%
Low · -0.06 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 16-06-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
OPC UA .NET Standard Stack 1.04.368 allows a remote attacker to cause a server to crash via a large number of messages that trigger Uncontrolled Resource Consumption.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- OSV · NugetEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.99%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
-0.06 pp
From 2.04% on 18-09-2026
18-09-202618-10-2026
EPSS score1.99%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
NuGet1 product
- OPCFoundation.NetStandard.Opc.Ua.Core< 1.4.368.58
Opcfoundation1 product
- ua_.net_standard_stack< 1.4.368.58
2 vendors · 2 products