CVE-2016-1338 — Cisco TelePresence Video Communication Server (VCS) X8.5.1 and X8.5.2 allows remote authenticated users to cause a denial of service (VoIP outage) via a crafted SIP message, aka Bug ID CSCuu43026

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MEDIUM

Cisco TelePresence Video Communication Server (VCS) X8.5.1 and X8.5.2 allows remote authenticated users to cause a denial of service (VoIP outage) via a crafted SIP message, aka Bug ID CSCuu43026

Published Mar 12, 2016

6.5

MEDIUM

CVSS 3.0

EPSS 1.63%

Description

Cisco TelePresence Video Communication Server (VCS) X8.5.1 and X8.5.2 allows remote authenticated users to cause a denial of service (VoIP outage) via a crafted SIP message, aka Bug ID CSCuu43026.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.63% 0.01631

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

EPSS probability 0.01631

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	1.63% (0.01631)	75.37th	v5 (v2026.06.15)
Jun 15, 2026	1.63% (0.01631)	73.06th	v5 (v2026.06.15)
Mar 17, 2025	0.50% (0.00498)	63.80th	v4 (v2025.03.14)
Dec 12, 2024	0.11% (0.00106)	44.90th	v3 (v2023.03.01)
Jun 28, 2024	0.11% (0.00106)	43.56th	v3 (v2023.03.01)
Mar 7, 2023	0.11% (0.00106)	41.55th	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)