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CVE-2014-3347

N/A

Published: August 28, 2014 at 11:00 PM UTC

Updated: June 17, 2026 at 12:08 AM UTC

8 products affected across 1 vendorIOS1861 Integrated Service Router1802 Integrated Service Router

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Severity

N/A

Exploit prediction

EPSS 1.0%

Description

Cisco IOS 15.1(4)M2 on Cisco 1800 ISR devices, when the ISDN Basic Rate Interface is enabled, allows remote attackers to cause a denial of service (device hang) by leveraging knowledge of the ISDN phone number to trigger an interrupt timer collision during entropy collection, leading to an invalid state of the hardware encryption module, aka Bug ID CSCul77897.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

1801 Integrated Service Router · Cisco

95%

All versions

1802 Integrated Service Router · Cisco

95%

All versions

1803 Integrated Service Router · Cisco

95%

All versions

1811 Integrated Service Router · Cisco

95%

All versions

1812 Integrated Service Router · Cisco

95%

All versions

1841 Integrated Service Router · Cisco

95%

All versions

1861 Integrated Service Router · Cisco

95%

All versions

IOS · Cisconpm

95%

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (5)

Vendor Advisoryx_refsource_CISCO

Source: [email protected]

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3347

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

http://tools.cisco.com/security/center/viewAlert.x?alertId=35453

VDB Entryx_refsource_BID

Source: [email protected]

http://www.securityfocus.com/bid/69439

VDB Entryx_refsource_SECTRACK

Source: [email protected]

http://www.securitytracker.com/id/1030772

VDB Entryx_refsource_XF

Source: [email protected]

https://exchange.xforce.ibmcloud.com/vulnerabilities/95558

CVSS

5.4MEDIUM[email protected]

Confidentiality: NONE
Integrity: NONE
Availability: COMPLETE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-399

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