Vulnerability · Published May 20, 2022 · Assigned by mitre

CVE-2022-30551

High 7.5

In plain English

A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.1% (higher than 82% of all known vulnerabilities).

Severity (CVSS NVD)7.5High

Exploit odds (30 days)2.1%top 18.3% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

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