Is CVE-2014-6258 being actively exploited?

CVE-2014-6258 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-6258?

CVE-2014-6258 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2014-6258

MEDIUM · CVSS 5.0EPSS 1.5%EU EUVD

An unspecified endpoint in Zenoss Core through 5 Beta 3 allows remote attackers to cause a denial of service (CPU consumption) by triggering an arbitrary regular-expression match attempt, aka ZEN-15411.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-399
EPSS score: 1.5% (74th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-6144)
Published: December 15, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-6144 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

zenoss / zenoss core
zenoss / zenoss core
zenoss / zenoss core
zenoss / zenoss core
zenoss / zenoss core
zenoss / zenoss core
zenoss / zenoss core
zenoss / zenoss core
zenoss / zenoss core
zenoss / zenoss core
zenoss / zenoss core
zenoss / zenoss core
zenoss / zenoss core
zenoss / zenoss core
zenoss / zenoss core
zenoss / zenoss core
zenoss / zenoss core
zenoss / zenoss core
zenoss / zenoss core
zenoss / zenoss core

References

http://www.kb.cert.org/vuls/id/449452(Third Party Advisory, US Government Resource)
https://docs.google.com/spreadsheets/d/1dHAc4PxUbs-4Dxzm1wSCE0sMz5UCMY6SW3PlMHSyuuQ/edit?usp=sharing(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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