CVE-2023-31211: checkmk gmbh checkmk
CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2023-31211
Published 12-01-2024Last modified 17-06-2025
Vulnerability summary
CVE-2023-31211 is a high (CVSS 8.8) vulnerability in checkmk gmbh checkmk. EPSS estimates a 0.51% chance of exploitation in the next 30 days, higher than 42.4% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
0.51%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-01-2024PublishedVulnerability first disclosed.
- 17-06-2025Last modifiedVulnerability information updated.
Description
Insufficient authentication flow in Checkmk before 2.2.0p18, 2.1.0p38 and 2.0.0p39 allows attacker to use locked credentials
CVSS metrics
3 scores · 3 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources3 sources · 6.5–8.8
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NDiffers
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NDiffers
EPSS trend
Probability
0.51%
Chance of exploitation in the next 30 days
Percentile
42%
Versus all other CVEs
30-day change
0.00 pp
From 0.51% on 20-09-2026
20-09-202620-10-2026
EPSS score0.51%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-303Incorrect Implementation of Authentication AlgorithmThe requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect.
- CWE-670Always-Incorrect Control Flow ImplementationThe code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated.
Affected systems
Checkmk1 product
- checkmkEOL2.0.0:b1 | 2.0.0:b2 | 2.0.0:b3 | 2.0.0:b4 | 2.0.0:b5 | 2.0.0:b6 | 2.0.0:b7 | 2.0.0:b8 | 2.0.0:i1 | 2.0.0:p1 | 2.0.0:p10 | 2.0.0:p11 | 2.0.0:p12 | 2.0.0:p13 | 2.0.0:p14 | 2.0.0:p15 | 2.0.0:p16 | 2.0.0:p17 | 2.0.0:p18 | 2.0.0:p19 | 2.0.0:p2 | 2.0.0:p20 | 2.0.0:p21 | 2.0.0:p22 | 2.0.0:p23 | 2.0.0:p24 | 2.0.0:p25 | 2.0.0:p26 | 2.0.0:p27 | 2.0.0:p28 | 2.0.0:p29 | 2.0.0:p3 | 2.0.0:p30 | 2.0.0:p31 | 2.0.0:p32 | 2.0.0:p33 | 2.0.0:p34 | 2.0.0:p35 | 2.0.0:p36 | 2.0.0:p37 | 2.0.0:p38 | 2.0.0:p4 | 2.0.0:p5 | 2.0.0:p6 | 2.0.0:p7 | 2.0.0:p8 | 2.0.0:p9 | 2.1.0 | 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:p12 | 2.1.0:p13 | 2.1.0:p14 | 2.1.0:p15 | 2.1.0:p16 | 2.1.0:p17 | 2.1.0:p18 | 2.1.0:p19 | 2.1.0:p2 | 2.1.0:p20 | 2.1.0:p21 | 2.1.0:p22 | 2.1.0:p23 | 2.1.0:p24 | 2.1.0:p25 | 2.1.0:p26 | 2.1.0:p27 | 2.1.0:p28 | 2.1.0:p29 | 2.1.0:p3 | 2.1.0:p30 | 2.1.0:p31 | 2.1.0:p32 | 2.1.0:p33 | 2.1.0:p34 | 2.1.0:p35 | 2.1.0:p36 | 2.1.0:p37 | 2.1.0:p4 | 2.1.0:p5 | 2.1.0:p6 | 2.1.0:p7 | 2.1.0:p8 | 2.1.0:p9 | 2.2.0 | 2.2.0:b1 | 2.2.0:b2 | 2.2.0:b3 | 2.2.0:b4 | 2.2.0:b5 | 2.2.0:b6 | 2.2.0:b7 | 2.2.0:b8 | 2.2.0:i1 | 2.2.0:p1 | 2.2.0:p10 | 2.2.0:p11 | 2.2.0:p12 | 2.2.0:p13 | 2.2.0:p14 | 2.2.0:p15 | 2.2.0:p16 | 2.2.0:p17 | 2.2.0:p2 | 2.2.0:p3 | 2.2.0:p4 | 2.2.0:p5
Checkmk gmbh1 product
- checkmk≥ 2.2.0, < 2.2.0p18 | ≥ 2.1.0, < 2.1.0p38 | ≥ 2.0.0, ≤ 2.0.0p39
Tribe291 product
- checkmk≤ 2.0.0
Ubuntu1 product
- check-mkAll versions (No fix recorded)
4 vendors · 4 products