CVE-2023-2020

Unauthorized scheduling of downtimes via REST API

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Insufficient permission checks in the REST API in Tribe29 Checkmk <= 2.1.0p27 and <= 2.2.0b4 (beta) allow unauthorized users to schedule downtimes for any host.

*Credits: N/A

CVSS Scores

NISTv3.1 4.3

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-04-13 CVE Reserved
2023-04-18 CVE Published
2024-08-02 CVE Updated
2024-11-08 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-280: Improper Handling of Insufficient Permissions or Privileges
CWE-863: Incorrect Authorization

CAPEC

CAPEC-122: Privilege Abuse

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://checkmk.com/werk/13981	2023-04-27

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		-		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		b1		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		b2		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		b3		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		b4		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		b5		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		b6		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		b7		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		b8		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		b9		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p1		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p10		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p11		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p12		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p13		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p14		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p15		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p16		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p17		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p18		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p2		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p20		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p21		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p22		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p23		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p24		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p25		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p26		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p27		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p3		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p4		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p5		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p6		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p7		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p8		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.1.0 Search vendor "Tribe29" for product "Checkmk" and version "2.1.0"		p9		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.2.0 Search vendor "Tribe29" for product "Checkmk" and version "2.2.0"		b1		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.2.0 Search vendor "Tribe29" for product "Checkmk" and version "2.2.0"		b2		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.2.0 Search vendor "Tribe29" for product "Checkmk" and version "2.2.0"		b3		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.2.0 Search vendor "Tribe29" for product "Checkmk" and version "2.2.0"		b4		Affected
Tribe29 Search vendor "Tribe29"		Checkmk Search vendor "Tribe29" for product "Checkmk"				2.2.0 Search vendor "Tribe29" for product "Checkmk" and version "2.2.0"		i1		Affected