Is CVE-2023-3599 actively exploited?

No active exploitation of CVE-2023-3599 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-3599 be exploited remotely?

Yes. CVE-2023-3599 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-3599?

CVE-2023-3599 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-3599

CWE-264Published: July 10, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability was found in SourceCodester Best Fee Management System 1.0. It has been rated as critical. Affected by this issue is the function save_user of the file admin_class.php of the component Add User Handler. The manipulation leads to improper access controls. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-233450 is the identifier assigned to this vulnerability.

NVD Source

Risk Analysis

The SourceCodester Best Fee Management System 1.0 has improper access controls in the user management component, allowing remote attackers to manipulate user data. This is a critical vulnerability that could lead to full system compromise.

While the exploit has been disclosed to the public, it is not currently tracked in the CISA KEV catalog.

Recommended Action

Restrict access to the administrative interface and apply any available security patches or updates from the vendor.

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-2023-3599 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.