How severe is CVE-2022-29865?

CVE-2022-29865 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2022-29865 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-29865?

CVE-2022-29865 affects Opcfoundation Ua .net Standard Stack. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-29865?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-29865 published?

CVE-2022-29865 was published on 2022-06-16 and last updated on 2026-06-17.

CVE-2022-29865

CVE-2022-29865 is a high-severity vulnerability in Opcfoundation Ua .net Standard Stack with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Opcfoundation Ua .net Standard Stack
Published: 2022-06-16
Last modified: 2026-06-17

Description

OPC UA .NET Standard Stack allows a remote attacker to bypass the application authentication check via crafted fake credentials.

Frequently asked questions

What is CVE-2022-29865?: OPC UA .NET Standard Stack allows a remote attacker to bypass the application authentication check via crafted fake credentials.
How severe is CVE-2022-29865?: CVE-2022-29865 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2022-29865 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-29865?: CVE-2022-29865 affects Opcfoundation Ua .net Standard Stack. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-29865?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-29865 published?: CVE-2022-29865 was published on 2022-06-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:opcfoundation:ua_.net_standard_stack:*:*:*:*:*:*:*:*

More vulnerabilities in Opcfoundation Ua .net Standard Stack

CVE-2024-42512 — High (CVSS 8.6): Vulnerability in the OPC UA .NET Standard Stack before 1.5.374.158 allows an unauthorized attacker to bypass…
CVE-2022-33916 — High (CVSS 7.5): OPC UA .NET Standard Reference Server 1.04.368 allows a remote attacker to cause the application to access sensitive…
CVE-2022-29866 — High (CVSS 7.5): OPC UA .NET Standard Stack 1.04.368 allows a remote attacker to exhaust the memory resources of a server via a crafted…
CVE-2022-29864 — High (CVSS 7.5): OPC UA .NET Standard Stack 1.04.368 allows a remote attacker to cause a server to crash via a large number of messages…
CVE-2022-29863 — High (CVSS 7.5): OPC UA .NET Standard Stack 1.04.368 allows remote attacker to cause a crash via a crafted message that triggers…
CVE-2022-29862 — High (CVSS 7.5): An infinite loop in OPC UA .NET Standard Stack 1.04.368 allows a remote attackers to cause the application to hang via…

All CVEs affecting Opcfoundation Ua .net Standard Stack →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →