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CVE-2024-49369

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CVE-2024-49369

Published: Nov 12, 2024

Modified: Nov 3, 2025

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

Icinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. The TLS certificate validation in all Icinga 2 versions starting from 2.4.0 was flawed, allowing an attacker to impersonate both trusted cluster nodes as well as any API users that use TLS client certificates for authentication (ApiUser objects with the client_cn attribute set). This vulnerability has been fixed in v2.14.3, v2.13.10, v2.12.11, and v2.11.12.

VendorProductVersions

Icinga

icinga2

affected
>= 2.4.0, < 2.11.12
affected
>= 2.12.0, < 2.12.11
affected
>= 2.13.0, < 2.13.10
affected
>= 2.14.0, < 2.14.3

Weaknesses (CWE)

CWE-295

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

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