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CVE-2024-49369

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

Published: Nov 12, 2024Updated: Nov 26, 2025 Sources: CVE List NVD BDUCWE-295
9.8CRITICAL
NVD MITRE
EPSS Score
2.9%
Top 14.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-295

Affected Products

Icinga
oss-project·USaka icinga2, icinga web 2
icinga2On-premWeb App
Enterprise Software / itsm-monitoring
icingaOn-prem
Enterprise Software / itsm-monitoring
АО «ИВК»
commercial·RUaka ivk
АЛЬТ СП 10On-premOS
Operating Systems / linux-distro
Icinga GmbH
commercial·DEaka icingaweb
IcingaMixed
Enterprise Software / itsm-monitoring
debian
oss-project·GBaka debian gnu/linux
debian linuxOn-premOS
Operating Systems / linux-distro

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Collection
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References

https://github.com/Icinga/icinga2/security/advisories/GHSA-j7wq-r9mg-9wpv
github.com
https://github.com/Icinga/icinga2/commit/0419a2c36de408e9a703aec0962061ec9a285d3c
github.com
https://github.com/Icinga/icinga2/commit/2febc5e18ae0c93d989e64ebc2a9fd90e7205ad8
github.com
and 7 more references View all →
News mentions
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