Is CVE-2023-40300 actively exploited?

No active exploitation of CVE-2023-40300 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-40300 be exploited remotely?

Yes. CVE-2023-40300 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-40300?

CVE-2023-40300 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-40300

CRITICAL

CVE-2023-40300

CWE-798Published: December 7, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

NETSCOUT nGeniusPULSE 3.8 has a Hardcoded Cryptographic Key.

NVD Source

Risk Analysis

NETSCOUT nGeniusPULSE 3.8 uses a hardcoded cryptographic key, which can be exploited by remote attackers to compromise encrypted communications. This critical vulnerability allows for unauthorized access and data manipulation.

There is no public exploit known for this vulnerability, and it is not included in the CISA KEV catalog.

Recommended Action

Update the software to the latest version provided by the vendor to remove the hardcoded key.

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-2023-40300 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.