CVE-2016-1338
Cisco TelePresence Video Communication Server (VCS) X8.5.1 and X8.5.2 allows remote authenticated...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2016-1338- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 8.0 High
AV:N/AC:L/Au:S/C:P/I:P/A:C - Weakness
- CWE-20, CWE-399
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2016-1338- Updated
- 2026-11-02
EUVDEUVD-2016-2437 No score
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.
- Record
EUVD-2016-2437- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x86w-wp2q-p8p4
Cisco TelePresence Video Communication Server (VCS) X8.5.1 and X8.5.2 allows remote authenticated...
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.
- Record
GHSA-x86w-wp2q-p8p4- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-1338 is a medium vulnerability (CVSS 6.5) in Cisco Telepresence Video Communication Server Software, published March 12, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.63%, the 76th percentile. No source names a fixed version.