CVE-2015-6415 — Cisco Unified Computing System (UCS) 2.2(3f)A on Fabric Interconnect 6200 devices allows remote attackers to cause a denial of service (CPU consumption or device outage) via a SYN flood on the SSH port during the booting process, aka Bug ID CSCuu81757

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HIGH

Cisco Unified Computing System (UCS) 2.2(3f)A on Fabric Interconnect 6200 devices allows remote attackers to cause a denial of service (CPU consumption or device outage) via a SYN flood on the SSH port during the booting process, aka Bug ID CSCuu81757

Published Dec 12, 2015

7.1

HIGH

CVSS 2.0

EPSS 2.33%

Description

Cisco Unified Computing System (UCS) 2.2(3f)A on Fabric Interconnect 6200 devices allows remote attackers to cause a denial of service (CPU consumption or device outage) via a SYN flood on the SSH port during the booting process, aka Bug ID CSCuu81757.

Affected products

Remediation

No remediation recorded yet.

Metrics

2.33% 0.02333

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.02333

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	2.33% (0.02333)	82.96th	v5 (v2026.06.15)
Jun 15, 2026	2.33% (0.02333)	81.27th	v5 (v2026.06.15)
Mar 17, 2025	1.02% (0.01016)	75.62th	v4 (v2025.03.14)
Dec 12, 2024	0.56% (0.00563)	78.47th	v3 (v2023.03.01)
Feb 8, 2024	0.56% (0.00563)	77.04th	v3 (v2023.03.01)
Mar 7, 2023	0.56% (0.00563)	74.33th	v3 (v2023.03.01)
Mar 6, 2023	1.14% (0.01136)	59.45th	v2 (v2022.01.01)
Oct 18, 2022	1.14% (0.01136)	58.28th	v2 (v2022.01.01)
Apr 1, 2022	1.14% (0.01136)	56.27th	v2 (v2022.01.01)
Feb 4, 2022	1.14% (0.01136)	34.23th	v2 (v2022.01.01)

Weaknesses (1)

CWE-399

References (3)

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151210-ucs
vendor-advisoryx_refsource_CISCOVendor Advisory
http://www.securityfocus.com/bid/85711
vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1034381
vdb-entryx_refsource_SECTRACK

Link	Providers	Tags
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151210-ucs		vendor-advisoryx_refsource_CISCOVendor Advisory
http://www.securityfocus.com/bid/85711		vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1034381		vdb-entryx_refsource_SECTRACK

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published Dec 12, 2015

Updated Aug 6, 2024

Reserved Aug 17, 2015

Link CVE-2015-6415

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-6415

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-6415