CVE-2016-1338

highpriority · track · 27EPSS 0.016 · 76 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.63% (76th) EPSS

CVSS 8 · high

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6–8

v2.08highAV:N/AC:L/Au:S/C:P/I:P/A:Cprimary · NVD / NIST USexploitability 8 · impact 8.5

v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v2.08highAV:N/AC:L/Au:S/C:P/I:P/A:Csecondary · FSTEC (BDU) RU

v3.06mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-399USprimaryCWE-20US

affected products (5)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Cisco Systems Inc. TelePresence Video Communication Server≤ X8.5.2fstec_bduRU
Cisco Systems Inc. TelePresence Video Communication Server≤ X8.5.1fstec_bduRU
cisco telepresence video communication server software= x8.5.1nvdUScpe:2.3:a:cisco:telepresence_video_communication_server_software:*:*:*:*:*:*:*:*
cisco telepresence video communication server software= x8.5.2nvdUScpe:2.3:a:cisco:telepresence_video_communication_server_software:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2016-03-12modified 2026-06-17

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references (4)

External citations — patches, advisories, analysis.

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