CVE-2024-49369

Icinga 2 has a TLS Certificate Validation Bypass for JSON-RPC and HTTP API Connections

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 16.18% Top 10%
Affected: Icinga icinga2
Published at:
Updated at:

References

Link Tags
https://github.com/Icinga/icinga2/security/advisories/GHSA-j7wq-r9mg-9wpv
https://github.com/Icinga/icinga2/commit/0419a2c36de408e9a703aec0962061ec9a285d3c
https://github.com/Icinga/icinga2/commit/2febc5e18ae0c93d989e64ebc2a9fd90e7205ad8
https://github.com/Icinga/icinga2/commit/3504fc7ed688c10d86988e2029a65efc311393fe
https://github.com/Icinga/icinga2/commit/869a7d6f0fe38c748e67bacc1fbdd42c933030f6
https://github.com/Icinga/icinga2/commit/8fed6608912c752b337d977f730547875a820831
https://icinga.com/blog/2024/11/12/critical-icinga-2-security-releases-2-14-3

Frequently Asked Questions

What is the severity of CVE-2024-49369?
CVE-2024-49369 has been scored as a critical severity vulnerability.
How to fix CVE-2024-49369?
To fix CVE-2024-49369, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-49369 being actively exploited in the wild?
It is possible that CVE-2024-49369 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~16% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-49369?
CVE-2024-49369 affects Icinga icinga2.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.