Is CVE-2023-4494 actively exploited?

No active exploitation of CVE-2023-4494 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-4494 be exploited remotely?

Yes. CVE-2023-4494 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-4494?

CVE-2023-4494 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-4494

CWE-119Published: October 4, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Stack-based buffer overflow vulnerability in Easy Chat Server 3.1 version. An attacker could send an excessively long username string to the register.ghp file asking for the name via a GET request resulting in arbitrary code execution on the remote machine.

NVD Source

Risk Analysis

Easy Chat Server 3.1 is vulnerable to a stack-based buffer overflow when processing excessively long usernames in GET requests. This critical flaw allows for remote code execution on the host machine.

No public exploit is available, and it is not in the KEV catalog. The vulnerability is remotely exploitable with low complexity.

Recommended Action

Disable the affected service or upgrade to a version that properly validates input length.

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-2023-4494 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.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.