CVE-2022-43764

CRITICALNVD 9.89.8—

9.8

Insufficient validation of input parameters when changing configuration on Tbase server in B&R APROL versions < R 4.2-07 could result in buffer overflow. This may lead to Denial-of-Service conditions or execution of arbitrary code.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 77.6%
KEV: Not listed

Published

February 8, 2023

Last Modified

November 21, 2024

References (2)

cybersecurity@chhttps://www.br-automation.com/downloads_br_productcatalogue/assets/1674823095245-en-original-1.0.pdf
af854a3a-2127-422b-91ae-364da2661108https://www.br-automation.com/downloads_br_productcatalogue/assets/1674823095245-en-original-1.0.pdf

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
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2026-05-25 07:13 UTCEG score recompute

Frequently asked(5)

What is CVE-2022-43764?

CVE-2022-43764 is a critical vulnerability published on February 8, 2023. Insufficient validation of input parameters when changing configuration on Tbase server in B&R APROL versions < R 4.2-07 could result in buffer overflow. This may lead to Denial-of-Service conditions or execution of arbitrary code.

When was CVE-2022-43764 disclosed?

CVE-2022-43764 was first published in the National Vulnerability Database on February 8, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-43764 actively exploited?

CVE-2022-43764 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 77.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-43764?

CVE-2022-43764 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2022-43764?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-43764, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2022-43764

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-43764?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)