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CVE-2023-31207

18
FAUCET Score

CVE-2023-31207 is a medium-severity vulnerability affecting Checkmk versions <= 2.1.0p26, <= 2.0.0p35, and <= 2.2.0b6 (beta). It involves the transmission of automation user credentials within query parameters, leading to their exposure in the site's Apache access logs. The vulnerability has a CVSS score of 5.5, indicating a local attack vector with low complexity, potentially resulting in high confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.0, <= 2.0.0p35CPE match
cpe:2.3:a:tribe29:checkmk:*:*:*:*:*:*:*:*
>= 2.1.0, <= 2.1.0p26CPE match
cpe:2.3:a:tribe29:checkmk:*:*:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:checkmk:checkmk:2.0.0:-:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:checkmk:checkmk:2.0.0:b1:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:checkmk:checkmk:2.0.0:b2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.4MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
0.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.22%
Probability of exploitation in next 30 days
EPSS Percentile
13.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0022 is in the 58th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

checkmk.com / werk/15189
Vendor Advisory