Is CVE-2023-28398 actively exploited?

No active exploitation of CVE-2023-28398 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-28398 be exploited remotely?

Yes. CVE-2023-28398 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-28398?

CVE-2023-28398 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-28398

CRITICAL

CVE-2023-28398

CWE-287Published: March 28, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Osprey Pump Controller version 1.01 could allow an unauthenticated user to create an account and bypass authentication, thereby gaining unauthorized access to the system. A threat actor could exploit this vulnerability to create a user account without providing valid credentials. A threat actor who successfully exploits this vulnerability could gain access to the pump controller and cause disruption in operation, modify data, or shut down the controller.

NVD Source

Risk Analysis

Osprey Pump Controller version 1.01 contains an authentication bypass vulnerability that allows unauthenticated users to create accounts. This critical flaw could allow an attacker to gain unauthorized system access, disrupt operations, or modify data.

This vulnerability is remotely exploitable due to its network-based vector and low complexity, though no public exploit is known and it is not in CISA KEV.

Recommended Action

Apply available firmware updates provided by the manufacturer. Ensure the controller is isolated from public networks to prevent unauthorized access.

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-2023-28398 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-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.