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CVE-2016-1338

19
FAUCET Score

CVE-2016-1338 describes a denial-of-service vulnerability affecting Cisco TelePresence Video Communication Server (VCS) versions X8.5.1 and X8.5.2. An authenticated remote attacker can trigger a VoIP outage by sending a specially crafted SIP message. This vulnerability has a CVSS v3 score of 6.5 (Medium), indicating a low attack complexity and requiring authentication, but leading to high availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
x8.5.1CPE matchmatch criteria
cpe:2.3:a:cisco:telepresence_video_communication_server_software:x8.5.1:*:*:*:*:*:*:*
x8.5.2CPE matchmatch criteria
cpe:2.3:a:cisco:telepresence_video_communication_server_software:x8.5.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.63%
Probability of exploitation in next 30 days
EPSS Percentile
73.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0163 is in the 87th percentile among its peer group of 21,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20160309-vcs
Vendor Advisory