CVE-2022-37012
HIGHEPSS 76th pctlDescription
This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537. Authentication is not required to exploit this vulnerability. The specific flaw exists within the OpcUa_SecureListener_ProcessSessionCallRequest method. A crafted OPC UA message can force the server to incorrectly update a reference count. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-16927.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploit Intelligence
Elevated risk: more likely to be exploited than 76% of all known CVEs.
References
Related Vulnerabilities
Other CWE-911 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2022-1678 | Medium | 5.9 | 3.0% | - | Fix |
| CVE-2022-22195 | High | 7.5 | 1.0% | - | Fix |
| CVE-2022-29581 | High | 7.8 | 0.9% | - | Fix |
| CVE-2024-43102 | Critical | 10.0 | 0.7% | - | Fix |
| CVE-2023-22394 | High | 7.5 | 0.6% | - | Fix |
| CVE-2026-42534 | Low | 5.3 | 0.6% | - | Fix |
Common questions
How do I fix CVE-2022-37012?
No published fix for CVE-2022-37012 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2022-37012 being actively exploited?
Not that we know of. CVE-2022-37012 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.8% is the estimated probability that it will be exploited in the next 30 days. That is higher than 76% of all scored CVEs.
How severe is CVE-2022-37012?
CVE-2022-37012 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.