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Telepresence Video Communication Server SoftwareApplication · Cisco

CVE-2016-1316

MEDIUM · 5.3 CVSS v3.0 Published 2016-02-09
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
62/100
Remediation priority · Elevated
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Cisco TelePresence Video Communication Server (VCS) X8.1 through X8.7, as used in conjunction with Jabber Guest, allows remote attackers to obtain sensitive call-statistics information via a direct request to an unspecified URL, aka Bug ID CSCux73362.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

An information disclosure vulnerability in Cisco TelePresence VCS X8.1-X8.7 allows unauthenticated remote attackers to access sensitive call statistics via a direct request to an unspecified URL. The vulnerability requires no authentication, indicating improper access controls on a web endpoint.

MitigationApply the appropriate Cisco security update for VCS X8.1-X8.7 to patch the unspecified URL vulnerability and restrict access to administrative interfaces to trusted networks only.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Telepresence Video Communication Server SoftwareApplication
Affected:= x8.1.1= x8.1.2= x8.1_base= x8.2.1= x8.2.2= x8.2_base= x8.5.0= x8.5.1= x8.5.2= x8.5.3= x8.6.0= x8.6.1

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify Cisco VCS software version
    Log into the VCS admin interface and navigate to Status > System or use the command line: 'xcommand SystemUnit HardwareInfo' or check the welcome page for version display
    Affected if The installed version matches any of: x8.1.1, x8.1.2, x8.1_base, x8.2.1, x8.2.2, x8.2_base, x8.5.0, x8.5.1, x8.5.2, x8.5.3, x8.6.0, x8.6.1
  2. Confirm web interface is reachable
    Attempt to access the VCS web interface from a browser using the device IP or hostname (http://<device-ip> or https://<device-ip>) without providing credentials
    Affected if The web interface loads or responds without requiring authentication
  3. Verify management interface network exposure
    Check the VCS network configuration under Administration > Network Settings or review firewall rules to determine if TCP ports 80, 443, or the web admin port is exposed to untrusted networks
    Affected if The web admin interface is reachable from networks outside the trusted management VLAN
  4. Test for unauthenticated call statistics access
    Using a web browser or curl command, attempt to access the call statistics endpoint directly: curl -k http://<device-ip>/callstats or similar paths under the web root without authentication
    Affected if Call statistics or sensitive call data is returned without authentication prompts

The system is affected if the installed VCS version matches any of the listed affected versions AND the web interface is accessible without authentication, allowing unauthenticated retrieval of call statistics.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply the appropriate Cisco security update for VCS X8.1-X8.7 to patch the unspecified URL vulnerability and restrict access to administrative interfaces to trusted networks only.

Fix this in Telepresence Video Communication Server Software Scoped from the published advisory
  • Consultation3.0 h
  • Implementation2.0 h
  • Testing4.0 h
  • Review / QA2.0 h
11.0 hours of engineering $1,920
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2016-1316 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data