Is CVE-2023-3266 actively exploited?

No active exploitation of CVE-2023-3266 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-3266 be exploited remotely?

Yes. CVE-2023-3266 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-3266?

CVE-2023-3266 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-3266

CWE-358Published: August 14, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A non-feature complete authentication mechanism exists in the production application allowing an attacker to bypass all authentication checks if LDAP authentication is selected.An unauthenticated attacker can leverage this vulnerability to log in to the CypberPower PowerPanel Enterprise as an administrator by selecting LDAP authentication from a hidden HTML combo box. Successful exploitation of this vulnerability also requires the attacker to know at least one username on the device, but any password will authenticate successfully.

NVD Source

Technical Analysis

CVE-2023-3266 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.