What’s Vulnerable › Vulnerabilities

CVE-2022-30551

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-05-20 · updated 2026-06-17
• Weakness: CWE-400

Description

OPC UA Legacy Java Stack 2022-04-01 allows a remote attacker to cause a server to stop processing messages by sending crafted messages that exhaust available resources.

Affected products

• Opcfoundation Ua-Java: 2022-04-01

References

• https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2022-30551.pdf
• https://github.com/OPCFoundation/UA-Java-Legacy
• https://opcfoundation.org
• https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2022-30551.pdf
• https://github.com/OPCFoundation/UA-Java-Legacy
• https://opcfoundation.org

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