84502 : Cisco IOS Multicast Music-on-Hold (MMoH) Feature PSTN Call Crosstalk Remote Information Disclosure
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Disclosure Date


Cisco IOS contains a flaw that may lead to an unauthorized information disclosure. The issue is triggered by an unspecified error in the Multicast Music-on-Hold (MMoH) feature, which may allow a remote attacker to listen in on a PSTN Call. This may allow the attacker to gain access to potentially sensitive crosstalk information.


Location: Remote / Network Access
Impact: Loss of Confidentiality
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified


Upgrade to version 15.1(3)T4 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.


Cisco Systems, Inc.
Cisco IOS
IBM Corporation
1.1 (not affected)



CVSSv2 Score

CVSSv2 Base Score = 4.3
Source: nvd.nist.gov | Generated: 2012-08-07 | Disagree?

Access_vector_2 Access_complexity_1 Authentication_2 Confidentiality_impact_1 Integrity_impact_0 Availability_impact_0


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