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Telepresence Video Communication ServerApplication · Cisco

CVE-2022-20807

MEDIUM · 6.5 CVSS v3.1 Published 2022-05-27
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
71/100
Remediation priority · Elevated
Remotely reachable 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
Multiple vulnerabilities in the API and web-based management interfaces of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker to write files or disclose sensitive information on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

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

Multiple vulnerabilities in the API and web-based management interfaces of Cisco Expressway Series and Cisco TelePresence Video Communication Server allow an authenticated, remote attacker to write arbitrary files to the device filesystem or disclose sensitive information. The attacker needs valid credentials to exploit these interface vulnerabilities.

MitigationApply the Cisco security updates for Expressway Series and TelePresence VCS as referenced in the Cisco advisory. Restrict access to management interfaces to trusted networks and enforce strong authentication credentials.

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 ServerApplication
Affected:<= x14.0.7

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
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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 the product
    Check if the device is a Cisco TelePresence Video Communication Server or Cisco Expressway Series by reviewing the device inventory, network documentation, or accessing the device web interface and noting the product name displayed.
    Affected if The device is not a Cisco TelePresence VCS or Cisco Expressway Series product.
  2. Determine the installed version
    Log into the Cisco TelePresence VCS web interface (typically https://<device-ip>) and navigate to the version information page, or use the CLI command 'xversion' to display the exact software version.
    Affected if The installed version is x14.0.7 or lower, or any version of x14 earlier than the fixed release.
  3. Verify web-based management interface status
    Check if the web-based management interface is enabled by reviewing the device configuration under 'System' > 'Administration' settings in the web UI, or via CLI using 'httpd' or similar configuration commands.
    Affected if The web-based management interface is enabled and accessible (this is required for the vulnerability to be exploitable).
  4. Check API interface accessibility
    Review the device configuration to determine if the REST API or other programmatic interfaces are exposed, typically found under 'Configuration' > 'API' settings in the web interface.
    Affected if The API interface is enabled and accessible over the network.
  5. Confirm network exposure
    Review firewall rules, access lists, or network segmentation to determine if the management interfaces are reachable from network segments outside trusted administration networks.
    Affected if Management interfaces are reachable from untrusted networks (this increases exposure risk but the vulnerability exists regardless).

Your environment is affected if you are running Cisco TelePresence VCS at version x14.0.7 or lower, or any Cisco Expressway Series version with the web-based management or API interfaces enabled.

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.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply the Cisco security updates for Expressway Series and TelePresence VCS as referenced in the Cisco advisory. Restrict access to management interfaces to trusted networks and enforce strong authentication credentials.

Recommended fix Moderate confidence

x14.0.8 or later (check Cisco.com for exact fixed release)

  1. 1. Review the Cisco security advisory on tools.cisco.com for complete vulnerability details and remediation guidance
  2. 2. Contact Cisco TAC or check Cisco.com for the specific fixed release version for x14.x
  3. 3. Plan upgrade during maintenance window following Cisco upgrade procedures
  4. 4. After upgrade, verify the fix by reviewing system logs to confirm sensitive information is no longer being logged
Caveat Review Cisco release notes for any compatibility or configuration changes between x14.0.7 and the fixed release

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Telepresence Video Communication Server Scoped from the published advisory
  • Consultation2.0 h
  • Implementation3.0 h
  • Testing2.0 h
  • Review / QA1.0 h
8.0 hours of engineering $1,420
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Scan for this in your stack

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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-2022-20807 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