CVE-2023-0476Network attack vector

Active Directory data manipulation via blind LDAP injection

Published Jan 25, 2023 · Updated Apr 1, 2025

LDAP injection in Tenable.sc 5.23.1 and earlier allows remote authenticated users to generate Active Directory data through the application account. An undisclosed input path fails to validate user-supplied data before LDAP processing, enabling blind injection under the application's directory privileges. A valid application account is required, and Tenable has not published the affected request, parameter, or resulting directory-object type.

CVSS severity6.5
Medium
EPSS probability0.69%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

LDAP injection in Tenable.sc 5.23.1 and earlier allows remote authenticated users to generate Active Directory data through the application account. An undisclosed input path fails to validate user-supplied data before LDAP processing, enabling blind injection under the application's directory privileges. A valid application account is required, and Tenable has not published the affected request, parameter, or resulting directory-object type.

The record

CVE
CVE-2023-0476
Published
Jan 25, 2023
Updated
Apr 1, 2025
Vendor
Tenable
Product
Tenable Security Center
Classifications
CWE-74
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 25, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 1, 2025Record 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=Tenable.sc versions 5.23.1 and earlier

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Tenable · Tenable Security Centerversion=Tenable.sc versions 5.23.1 and earlier

Published CVSS scores

4.1TenableCVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
6.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
3.6TenableCVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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