CVE-2023-4505Public exploitNetwork attack vector

LDAP credential disclosure via unchecked server change

Published Sep 26, 2023 · Updated Apr 8, 2026

LDAP passback in miniOrange Staff/Employee Business Directory 1.2.3 and earlier allows remote authenticated users to obtain LDAP credentials. The LDAP server settings accept an attacker-controlled address and then connect to it using the credentials stored for the original directory. Administrative access is required to alter the server configuration, and successful exploitation discloses the configured LDAP bind credentials.

CVSS severity4.9
Medium
EPSS probability0.71%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

LDAP passback in miniOrange Staff/Employee Business Directory 1.2.3 and earlier allows remote authenticated users to obtain LDAP credentials. The LDAP server settings accept an attacker-controlled address and then connect to it using the credentials stored for the original directory. Administrative access is required to alter the server configuration, and successful exploitation discloses the configured LDAP bind credentials.

The record

CVE
CVE-2023-4505
Published
Sep 26, 2023
Updated
Apr 8, 2026
Vendor
miniOrange
Product
Staff/Employee Business Directory for Active Directory
Classifications
CWE-306, T1557
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Sep 26, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record 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=0 <=1.2.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

miniOrange · Staff/Employee Business Directory for Active Directoryversion=0 <=1.2.3

Published CVSS scores

2.2WordfenceCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
4.9NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function
T1557Adversary-in-the-Middle

Public exploit references

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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