Is CVE-2015-0631 being actively exploited?

CVE-2015-0631 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2015-0631?

CVE-2015-0631 has a CVSS 2.0 base score of 7.1 (HIGH).

CVE-2015-0631

HIGH · CVSS 7.1EPSS 1.2%EU EUVD

Race condition in the SSL implementation on Cisco Intrusion Prevention System (IPS) devices allows remote attackers to cause a denial of service by making many management-interface HTTPS connections during the key-regeneration phase of an upgrade, aka Bug ID CSCui25688.

Key facts

CVSS score: 7.1 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:M/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-362
EPSS score: 1.2% (67th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2015-0644)
Published: February 21, 2015
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2015-0644 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

cisco / ids 4210
cisco / ids 4215
cisco / ids 4220
cisco / ids 4230
cisco / ids 4235
cisco / ids 4250
cisco / ids 4250 xl
cisco / ips 4240
cisco / ips 4255
cisco / ips 4260
cisco / ips 4270
cisco / ips sensor software
cisco / ips sensor software

References

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

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