CVE-2017-12363

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Summary

CVECVE-2017-12363
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-11-30 09:29:01 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionA vulnerability in Cisco WebEx Meeting Server could allow an unauthenticated, remote attacker to modify the welcome message of a meeting on an affected system. The vulnerability is due to insufficient security settings on meetings. An attacker could exploit this vulnerability by modifying the welcome message to a meeting. A successful exploit could allow the attacker to modify the welcome message of any known meeting. Cisco Bug IDs: CSCvf68695.

Risk And Classification

Primary CVSS: v3.0 5.3 MEDIUM from [email protected]

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

EPSS: 0.008760000 probability, percentile 0.754820000 (date 2026-05-14)

Problem Types: CWE-264 | CWE-668 | CWE-264 CWE-264

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary5.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None

AV:N/AC:L/Au:N/C:N/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Cisco Webex Meetings Server 2.6.0.8 All All All
Application Cisco Webex Meetings Server 2.7 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Cisco WebEx Meeting Server affected Cisco WebEx Meeting Server Not specified

References

ReferenceSourceLinkTags
Cisco WebEx Meeting Server Unauthorized Welcome Message Modification Vulnerability af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com Vendor Advisory
Cisco WebEx Meetings Server Flaw Lets Remote Users Modify the Meeting Welcome Message - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
Cisco WebEx Meetings Server CVE-2017-12363 Remote Security Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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