CVE-2025-23203Network attack vector

Restricted-object disclosure and modification via unchecked REST access

Published Mar 26, 2025 · Updated Jan 20, 2026

Access control flaws in Icinga Director 1.0.0 through 1.10.3 and 1.11.0 through 1.11.3 allow remote authenticated users to alter restricted objects. The service, notification, service-set, and scheduled-downtime REST controllers load named objects without applying their object restrictions. Director access plus API permission is required; exposed data includes hidden object existence and configuration.

CVSS severity5.5
Medium
EPSS probability0.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Access control flaws in Icinga Director 1.0.0 through 1.10.3 and 1.11.0 through 1.11.3 allow remote authenticated users to alter restricted objects. The service, notification, service-set, and scheduled-downtime REST controllers load named objects without applying their object restrictions. Director access plus API permission is required; exposed data includes hidden object existence and configuration.

The record

CVE
CVE-2025-23203
Published
Mar 26, 2025
Updated
Jan 20, 2026
Vendor
Icinga
Product
Icinga Director
Classifications
CWE-200, CWE-284, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 26, 2025CVE publishedPublication date reported by the CVE source.
  2. Jan 20, 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=>= 1.0.0, < 1.10.4
  2. Affected versionversion=>= 1.11.0, < 1.11.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Icinga · Icinga Directorversion=>= 1.0.0, < 1.10.4; version=>= 1.11.0, < 1.11.4

Published CVSS scores

5.5GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
CWE-284Improper Access Control
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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