CVE-2013-1135 — Cisco Prime Central for Hosted Collaboration Solution (HCS) Assurance 8.6 and 9.0 allows remote attackers to cause a denial of service (CPU consumption and monitoring outage) via malformed TLS messages to TCP port (1) 9043 or (2) 9443, aka Bug ID CSCuc07155

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HIGH

Cisco Prime Central for Hosted Collaboration Solution (HCS) Assurance 8.6 and 9.0 allows remote attackers to cause a denial of service (CPU consumption and monitoring outage) via malformed TLS messages to TCP port (1) 9043 or (2) 9443, aka Bug ID CSCuc07155

Published Feb 27, 2013

7.1

HIGH

CVSS 2.0

EPSS 1.17%

Description

Cisco Prime Central for Hosted Collaboration Solution (HCS) Assurance 8.6 and 9.0 allows remote attackers to cause a denial of service (CPU consumption and monitoring outage) via malformed TLS messages to TCP port (1) 9043 or (2) 9443, aka Bug ID CSCuc07155.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.17% 0.01173

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

EPSS probability 0.01173

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	1.17% (0.01173)	66.33th	v5 (v2026.06.15)
Jun 15, 2026	1.17% (0.01173)	63.30th	v5 (v2026.06.15)
Mar 17, 2025	0.40% (0.00399)	58.53th	v4 (v2025.03.14)
Dec 12, 2024	0.18% (0.00181)	56.68th	v3 (v2023.03.01)
Jan 18, 2024	0.18% (0.00181)	55.49th	v3 (v2023.03.01)
Mar 7, 2023	0.19% (0.00186)	54.19th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Sep 17, 2022	1.05% (0.01055)	50.47th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)

Weaknesses (1)

CWE-20

Improper Input Validation

References (2)

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130227-hcs
vendor-advisoryx_refsource_CISCOVendor Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1135
vendor-advisoryx_refsource_CISCO

Link	Providers	Tags
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130227-hcs		vendor-advisoryx_refsource_CISCOVendor Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1135		vendor-advisoryx_refsource_CISCO

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published Feb 27, 2013

Updated Aug 6, 2024

Reserved Jan 11, 2013

Link CVE-2013-1135

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2013-1135

Red Hat

Severity n/a

Public date n/a

Links CVE-2013-1135