CVE-2022-29865: opcfoundation ua_.net_standard_stack Improper Authentication
CVSS: 7.5v3.1HighModified
AliasesGHSA-fvxf-r9fw-49pc
Published 16-06-2022Last modified 03-08-2024
Vulnerability summary
CVE-2022-29865 is a high (CVSS 7.5) Improper Authentication vulnerability in opcfoundation ua_.net_standard_stack. EPSS estimates a 1.62% chance of exploitation in the next 30 days, higher than 75.7% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.62%
0%100%
Low · -0.03 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 allows a remote attacker to bypass the application authentication check via crafted fake credentials.
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:H/A:NSourcesAll 2 agree
- OSV · NugetEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.62%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
-0.03 pp
From 1.65% on 18-09-2026
18-09-202618-10-2026
EPSS score1.62%
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
