Is CVE-2022-43765 in the CISA KEV catalog?

No. CVE-2022-43765 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-43765?

CVE-2022-43765 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-43765?

CVE-2022-43765 has an EPSS score of 0.62% (45th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-43765?

Upgrade industrial automation aprol to r4.2-07 or later.

CVE & CISA-KEV Catalog

CVE-2022-43765

HIGH

7.5

CVSS v3

NVD

Description

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-252

How to fix

Remediation Available

industrial automation aprolNVD

Affected:< r4.2-07Fixed in:r4.2-07CVE-2022-43765derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.62%probability of exploitation in 30 days

45thpercentile

Moderate risk: more likely to be exploited than 45% of all known CVEs.

References

Vendor Advisory1

br-automation.com

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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.