CVE-2022-30551
OPC UA Legacy Java Stack 2022-04-01 allows a remote attacker to cause a server to stop processing...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2022-30551- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-400
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2022-30551- Updated
- 2026-11-02
EUVDEUVD-2022-52410 No score
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.
- Record
EUVD-2022-52410- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fm58-52q7-gpvg
OPC UA Legacy Java Stack 2022-04-01 allows a remote attacker to cause a server to stop processing...
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.
- Record
GHSA-fm58-52q7-gpvg- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-30551 is a high vulnerability (CVSS 7.5) in Opcfoundation Ua-java, published May 20, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.09%, the 81st percentile. No source names a fixed version.