Vulnerability Monitor

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CVE-2017-14955

Check_MK before 1.2.8p26 mishandles certain errors within the failed-login save feature because of a race condition, which allows remote attackers to obtain sensitive user information by reading a GUI crash report.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.9, indicating it can be exploited remotely over the network but requires specific conditions to be met without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 1 product from checkmk organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2017, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2017-10-02T01:29:00.390

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 5.9 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-200
CWE-362

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	checkmk	checkmk	1.2.3	Yes
Application	checkmk	checkmk	1.2.3	Yes
Application	checkmk	checkmk	1.2.4	Yes
Application	checkmk	checkmk	1.2.5	Yes
Application	checkmk	checkmk	1.2.5	Yes
Application	checkmk	checkmk	1.2.5	Yes
Application	checkmk	checkmk	1.2.5	Yes
Application	checkmk	checkmk	1.2.5	Yes
Application	checkmk	checkmk	1.2.5	Yes
Application	checkmk	checkmk	1.2.6	Yes
Application	checkmk	checkmk	1.2.6	Yes
Application	checkmk	checkmk	1.2.6	Yes
Application	checkmk	checkmk	1.2.7	Yes
Application	checkmk	checkmk	1.2.7	Yes
Application	checkmk	checkmk	1.2.7	Yes
Application	checkmk	checkmk	1.2.7	Yes
Application	checkmk	checkmk	1.2.7	Yes
Application	checkmk	checkmk	1.2.8	Yes
Application	checkmk	checkmk	1.2.8	Yes

References

http://mathias-kettner.com/check_mk_werks.php?edition_id=raw&branch=1.2.8 Release Notes, Third Party Advisory ([email protected])
https://mathias-kettner.de/check_mk_werks.php?werk_id=5208&HTML=yes Third Party Advisory ([email protected])
https://www.exploit-db.com/exploits/43021/ Third Party Advisory, VDB Entry ([email protected])
http://mathias-kettner.com/check_mk_werks.php?edition_id=raw&branch=1.2.8 Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://mathias-kettner.de/check_mk_werks.php?werk_id=5208&HTML=yes Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.exploit-db.com/exploits/43021/ Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For checkmk's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.