CVE-2023-43492

CRITICALNVD 9.89.8—

9.8

In Weintek's cMT3000 HMI Web CGI device, the cgi-bin codesys.cgi contains a stack-based buffer overflow, which could allow an anonymous attacker to hijack control flow and bypass login authentication.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 23.6%
KEV: Not listed

Published

October 19, 2023

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated Jun 1, 2026

Patch available. Sources: cisa.

cisa Patch Available

Weintek cMT3000 HMI Web CGI | CISA

https://www.cisa.gov/news-events/ics-advisories/icsa-23-285-12

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 12× 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.

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Frequently asked(5)

What is CVE-2023-43492?

CVE-2023-43492 is a critical vulnerability published on October 19, 2023. In Weintek's cMT3000 HMI Web CGI device, the cgi-bin codesys.cgi contains a stack-based buffer overflow, which could allow an anonymous attacker to hijack control flow and bypass login authentication.

When was CVE-2023-43492 disclosed?

CVE-2023-43492 was first published in the National Vulnerability Database on October 19, 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-2023-43492 actively exploited?

CVE-2023-43492 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 23.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-43492?

CVE-2023-43492 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-43492?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-43492, 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.

Dependency Blast Radius

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CVE-2023-43492

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

Weintek cMT3000 HMI Web CGI | CISA

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-43492?

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Frequently asked(5)

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