7.5

CVE-2022-30551: opcfoundation ua-java Uncontrolled Resource Consumption

CVSS: 7.5v3.1HighModified
Published 20-05-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-30551 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in opcfoundation ua-java. EPSS estimates a 2.09% chance of exploitation in the next 30 days, higher than 81.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.09%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-05-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.09%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

+0.03 pp

From 2.06% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.09%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Opcfoundation1 product

1 vendor · 1 product

References

3 links