CVE-2024-49369

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

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

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.

*Credits: N/A

CVSS Scores

GitHubv3.1 9.8

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2024-10-14 CVE Reserved
2024-11-12 CVE Published
2024-11-12 CVE Updated
2024-11-13 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-295: Improper Certificate Validation

CAPEC

References (7)

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

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Icinga Search vendor "Icinga"		Icinga2 Search vendor "Icinga" for product "Icinga2"				>= 2.4.0 < 2.11.12 Search vendor "Icinga" for product "Icinga2" and version " >= 2.4.0 < 2.11.12"		en		Affected
Icinga Search vendor "Icinga"		Icinga2 Search vendor "Icinga" for product "Icinga2"				>= 2.12.0 < 2.12.11 Search vendor "Icinga" for product "Icinga2" and version " >= 2.12.0 < 2.12.11"		en		Affected
Icinga Search vendor "Icinga"		Icinga2 Search vendor "Icinga" for product "Icinga2"				>= 2.13.0 < 2.13.10 Search vendor "Icinga" for product "Icinga2" and version " >= 2.13.0 < 2.13.10"		en		Affected
Icinga Search vendor "Icinga"		Icinga2 Search vendor "Icinga" for product "Icinga2"				>= 2.14.0 < 2.14.3 Search vendor "Icinga" for product "Icinga2" and version " >= 2.14.0 < 2.14.3"		en		Affected