CVE-2022-48321: checkmk Improper Input Validation
CVSS: 6.8v3.1MediumModified
AliasesUBUNTU-CVE-2022-48321
Published 20-02-2023Last modified 03-08-2024
Vulnerability summary
CVE-2022-48321 is a medium (CVSS 6.8) Improper Input Validation vulnerability in checkmk. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 18.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.8/10
010
Medium · v3.1 (CVE.org)EPSS score
0.28%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 20-02-2023PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Limited Server-Side Request Forgery (SSRF) in agent-receiver in Tribe29's Checkmk <= 2.1.0p11 allows an attacker to communicate with local network restricted endpoints by use of the host registration API.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 6.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:LSources3 sources · 3.3–6.8
- OSV · UbuntuEcosystem advisory · calculated3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NDiffers
- NVDNIST3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NDiffers
EPSS trend
Probability
0.28%
Chance of exploitation in the next 30 days
Percentile
19%
Versus all other CVEs
30-day change
0.00 pp
From 0.28% on 20-09-2026
20-09-202620-10-2026
EPSS score0.28%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (sonarsource.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-918Server-Side Request Forgery (SSRF)The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
Affected systems
Checkmk1 product
- checkmkEOL2.1.0 | 2.1.0:b1 | 2.1.0:b2 | 2.1.0:b3 | 2.1.0:b4 | 2.1.0:b5 | 2.1.0:b6 | 2.1.0:b7 | 2.1.0:b8 | 2.1.0:b9 | 2.1.0:p1 | 2.1.0:p10 | 2.1.0:p11 | 2.1.0:p2 | 2.1.0:p3 | 2.1.0:p4 | 2.1.0:p5 | 2.1.0:p6 | 2.1.0:p7 | 2.1.0:p8 | 2.1.0:p9
Tribe291 product
- checkmk≥ 2.1.0, ≤ 2.1.0p11
Ubuntu1 product
- check-mkAll versions (No fix recorded)
3 vendors · 3 products