CVE-2023-3266Network attack vector

Unauthenticated administrator access via hidden LDAP selector

Published Aug 14, 2023 · Updated Oct 9, 2024

Authentication bypass in CyberPower Systems PowerPanel Enterprise 2.6.0 allows remote attackers to gain administrator access. The login handler accepts LDAP selected through a hidden HTML control and treats any password as valid for a known username. Exploitation requires network access to the web interface and knowledge of one configured username, but no valid password.

CVSS severity9.8
Critical
EPSS probability0.88%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in CyberPower Systems PowerPanel Enterprise 2.6.0 allows remote attackers to gain administrator access. The login handler accepts LDAP selected through a hidden HTML control and treats any password as valid for a known username. Exploitation requires network access to the web interface and knowledge of one configured username, but no valid password.

The record

CVE
CVE-2023-3266
Published
Aug 14, 2023
Updated
Oct 9, 2024
Vendor
CyberPower Systems
Product
PowerPanel Enterprise
Classifications
CWE-358, CAPEC-115, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 14, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 9, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=v2.6.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

CyberPower Systems · PowerPanel Enterpriseversion=v2.6.0

Published CVSS scores

9.8TrellixCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-358Improperly Implemented Security Check for Standard
CAPEC-115Authentication Bypass
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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