Is CVE-2023-43504 actively exploited?

No active exploitation of CVE-2023-43504 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-43504 be exploited remotely?

Yes. CVE-2023-43504 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-43504?

CVE-2023-43504 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-43504

CWE-120Published: November 14, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability has been identified in COMOS (All versions < V10.4.4). Ptmcast executable used for testing cache validation service in affected application is vulnerable to Structured Exception Handler (SEH) based buffer overflow. This could allow an attacker to execute arbitrary code on the target system or cause denial of service condition.

NVD Source

Risk Analysis

COMOS software contains a buffer overflow vulnerability in the Ptmcast executable, which could allow an attacker to execute arbitrary code or cause a denial of service. The critical CVSS score of 9.8 indicates that this is a high-priority remote vulnerability.

No public exploit is known, and it is not currently in the KEV catalog.

Recommended Action

Upgrade COMOS to version V10.4.4 or higher.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-43504 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.