Cyber Resilience

CVE-2022-43765

High

Published: 08 February 2023

Published
08 February 2023
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0039 60.4th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-43765 is a high-severity Unchecked Return Value (CWE-252) vulnerability in Br-Automation Industrial Automation Aprol. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 39.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

B&R APROL versions < R 4.2-07 doesn’t process correctly specially formatted data packages sent to port 55502/tcp, which may allow a network based attacker to cause an application Denial-of-Service.

CWE(s)
CWE-252

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

br-automation
industrial automation aprol
≤ r4.2-07

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References