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CVE-2017-12224: A vulnerability in the ability for guest users to join meetings via a hyperlink with Cisco Meeting Server c...

A vulnerability in the ability for guest users to join meetings via a hyperlink with Cisco Meeting Server could allow an authenticated, remote attacker to enter a meeting with a hyperlink URL, even though access should be denied. The vulnerability is due to the incorrect implementation of the configuration setting Guest access via hyperlinks, which should allow the administrative user to prevent guest users from using hyperlinks to connect to meetings. An attacker could exploit this vulnerability by using a crafted hyperlink to connect to a meeting. An exploit could allow the attacker to connect directly to the meeting with a hyperlink, even though access should be denied. The attacker would still require a valid hyperlink and encoded secret identifier to be connected. Cisco Bug IDs: CSCve20873.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

Cisco Meeting Server had a flaw where a guest could join a meeting through a valid hyperlink even when administrators intended to block hyperlink-based guest access. The attacker still needed the meeting hyperlink and encoded secret identifier, so this is not an open internet entry issue by itself. Exposure is limited to organizations running Cisco Meeting Server with guest hyperlink joining configured to be denied. Practical risk depends on whether valid meeting hyperlinks and encoded secret identifiers were exposed to unauthorized users. Treat as a moderate privacy and meeting-confidentiality risk. Prioritize environments hosting executive, legal, customer, or regulated discussions, especially where meeting links are widely shared or reused. Mitigation focus: Review Cisco advisory cisco-sa-20170906-cms and bug CSCve20873 for vendor remediation guidance.; Inventory Cisco Meeting Server deployments and determine whether affected software is present.; Do not rely solely on disabled guest hyperlink access for sensitive meetings until remediated..

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CVE-2017-12224 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

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Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aCisco Meeting ServerCisco Meeting ServerListed
Weakness

CWE details

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CWE-200 · source CWE mapping

Exposure of Sensitive Information to an Unauthorized Actor

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