CVE-2015-0744 — Cisco DTA Control System (DTACS) 4.0.0.9 and Cisco Headend System Release allow remote attackers to cause a denial of service (CPU and memory consumption, and TCP service outage) via (1) a SYN flood or (2) another type of TCP traffic flood, aka Bug IDs CSCus50642, CSCus50662, CSCus50625, CSCus50657, and CSCus68315

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HIGH

Cisco DTA Control System (DTACS) 4.0.0.9 and Cisco Headend System Release allow remote attackers to cause a denial of service (CPU and memory consumption, and TCP service outage) via (1) a SYN flood or (2) another type of TCP traffic flood, aka Bug IDs CSCus50642, CSCus50662, CSCus50625, CSCus50657, and CSCus68315

Published May 30, 2015

7.8

HIGH

CVSS 2.0

EPSS 3.40%

Description

Cisco DTA Control System (DTACS) 4.0.0.9 and Cisco Headend System Release allow remote attackers to cause a denial of service (CPU and memory consumption, and TCP service outage) via (1) a SYN flood or (2) another type of TCP traffic flood, aka Bug IDs CSCus50642, CSCus50662, CSCus50625, CSCus50657, and CSCus68315.

Affected products

Remediation

No remediation recorded yet.

Metrics

3.40% 0.03402

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.03402

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 1, 2026	3.40% (0.03402)	88.46th	v5 (v2026.06.15)
Jun 15, 2026	3.43% (0.03427)	87.34th	v5 (v2026.06.15)
Mar 17, 2025	1.31% (0.01307)	78.40th	v4 (v2025.03.14)
Dec 12, 2024	0.26% (0.00259)	66.15th	v3 (v2023.03.01)
Feb 8, 2024	0.26% (0.00259)	64.68th	v3 (v2023.03.01)
Mar 7, 2023	0.26% (0.00259)	61.87th	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/viewAlert.x?alertId=38943
vendor-advisoryx_refsource_CISCOVendor Advisory
http://www.securityfocus.com/bid/74916
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1032445
vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry

Link	Providers	Tags
http://tools.cisco.com/security/center/viewAlert.x?alertId=38943		vendor-advisoryx_refsource_CISCOVendor Advisory
http://www.securityfocus.com/bid/74916		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1032445		vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published May 30, 2015

Updated Aug 6, 2024

Reserved Jan 7, 2015

Link CVE-2015-0744

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-0744

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-0744