CVE-2012-6399: n/a vulnerability

CVE-2012-6399: Cisco WebEx 4.1 on iOS does not verify that the server hostname matches a domain name in the subject's Comm...

Cisco WebEx 4.1 on iOS does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, aka Bug ID CSCud94176.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 16, 2024, 22:25 UTC (UTC+00:00)

Security readout for executives and security teams

Cisco WebEx 4.1 on iOS failed to confirm that an SSL certificate belonged to the server being contacted. An attacker positioned between the user and network could impersonate a WebEx server using any otherwise valid certificate. The public sources do not provide severity scoring or confirmed exploitation. Exposure is limited to environments that still have Cisco WebEx 4.1 on iOS in use or preserved on managed devices. The structured affected-product data in the source bundle is incomplete, so confirm exposure through mobile device inventory rather than assumptions. Treat as a targeted legacy mobile exposure issue. Prioritize if regulated users, executives, or mobile workers still use old WebEx iOS clients. The urgency is hard to score because public sources lack CVSS, patch detail, and exploitation evidence. Mitigation focus: Inventory iOS devices for Cisco WebEx 4.1 or legacy WebEx app installations.; Update affected iOS WebEx installations using Cisco or app-store guidance.; Remove unsupported legacy WebEx versions where updates are unavailable..

Prepared: Jun 14, 2026, 22:07 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: May 27, 2013, 14:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

0ADP providers

1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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