CVE-2024-33862 json
OPCFoundation.NetStandard.Opc.Ua.Core buffer-management vulnerability
published 2024-07-05 2 y ago modified 2026-06-17 4 mo ago also GHSA-4q2p-hwmr-qcxc , EUVD-2024-2248
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
A buffer-management vulnerability in OPC Foundation OPCFoundation.NetStandard.Opc.Ua.Core before 1.05.374.54 could allow remote attackers to exhaust memory resources. It is triggered when the system receives an excessive number of messages from a remote source. This could potentially lead to a denial of service (DoS) condition, disrupting the normal operation of the system.
Patch / fix
- nuget OPCFoundation.NetStandard.Opc.Ua.Core 1.5.374.54
- opcfoundation ua-.netstandard 1.05.374.54
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | OPCFoundation.NetStandard.Opc.Ua.Core | <1.5.374.54 |
1.5.374.54 |
Affected products
- opcfoundation ua-.netstandard
Classification
- Weakness
-
- CWE-770 Allocation of Resources Without Limits or Throttling
References
-
github.com
/OPCFoundation/UA-.NETStandard/commit/52d4492ccc928f128e7a38857fdf58d94e1e652b
web
-
files.opcfoundation.org
/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2024-33862.pdf
web
-
nvd.nist.gov
/vuln/detail/CVE-2024-33862
advisory
-
github.com
/OPCFoundation/UA-.NETStandard
package
-
github.com
/OPCFoundation/UA-.NETStandard/releases/tag/1.5.374.54
web
Sources
- CVE List CVE-2024-33862
- GitHub Advisory GHSA-4q2p-hwmr-qcxc
- NVD CVE-2024-33862
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