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CVE-2023-0284

25
FAUCET Score

CVE-2023-0284 describes an Improper Input Validation vulnerability in Tribe29 Checkmk, affecting versions 2.1.0p19 and earlier, 2.0.0p32 and earlier, and all 1.6.0 versions. This flaw allows authenticated attackers who can control LDAP user IDs to manipulate files on the server. With a CVSS score of 8.1 (HIGH), the vulnerability has a network attack vector, low attack complexity, and can lead to high impact on integrity and availability. There is currently 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
2.0.0CPE 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:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:checkmk:checkmk:2.0.0:b3:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:checkmk:checkmk:2.0.0:b4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.92%
Probability of exploitation in next 30 days
EPSS Percentile
56.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0092 is in the 52nd percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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/15181
Vendor Advisory