Webex Training CenterApplication · Cisco

CVE-2013-6965

MEDIUM · 5.0 CVSS v2.0 Published 2013-12-14
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
59/100
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
The registration component in Cisco WebEx Training Center provides the training-session URL before e-mail confirmation is completed, which allows remote attackers to bypass intended access restrictions and join an audio conference by entering credential fields from this URL, aka Bug ID CSCul36183.

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

The registration component in Cisco WebEx Training Center improperly exposes the training-session URL before the user's email address is confirmed. This allows unauthenticated remote attackers to access the URL directly and bypass the intended access control mechanism, enabling them to join audio conferences without completing the registration confirmation process.

MitigationEnsure training session URLs are only generated and delivered after email confirmation is successfully completed, and implement server-side validation to verify confirmation status before granting access to conference resources.

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
Webex Training CenterApplication
Affected:all versions

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
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

AV:N/AC:L/Au:N/C:P/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 WebEx Training Center deployment
    Review installed software or web application inventory to confirm Cisco WebEx Training Center is present in the environment
    Affected if Cisco WebEx Training Center is deployed and actively used for training sessions
  2. Examine registration workflow timing
    Review application logs or trace the registration process to identify at which step the training-session URL is generated and delivered to the user
    Affected if The training-session URL is generated or exposed before the email confirmation step is completed
  3. Test URL access before confirmation
    Create a test registration, capture the training-session URL at each step, then attempt to access that URL without completing the email confirmation
    Affected if The URL grants access to the conference without requiring confirmation completion
  4. Verify server-side confirmation validation
    Inspect server configuration or application code to confirm whether the backend validates email confirmation status before allowing conference join
    Affected if Server does not validate confirmation status or allows bypass of this check

The environment is affected if Cisco WebEx Training Center is deployed and the training-session URL can be accessed or used to join a conference before the email confirmation process is completed.

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

Ensure training session URLs are only generated and delivered after email confirmation is successfully completed, and implement server-side validation to verify confirmation status before granting access to conference resources.

Fix this in Webex Training Center Scoped from the published advisory
  • Consultation3.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA3.0 h
18.0 hours of engineering $3,180
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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-2013-6965 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