CVE-2014-3347
5.4 · MEDIUMOverview
CVE-2014-3347 is a medium-severity vulnerability affecting cisco ios. It was published on August 28, 2014 and has a CVSS 2.0 base score of 5.4 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from cisco. Update ios to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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References
Frequently Asked Questions
What is CVE-2014-3347?
CVE-2014-3347 is a medium-severity vulnerability affecting cisco ios. It was published on August 28, 2014 and has a CVSS 2.0 base score of 5.4 (MEDIUM).
How severe is CVE-2014-3347?
This vulnerability has a CVSS 2.0 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2014-3347?
Check the references section for vendor advisories and patches from cisco. Update ios to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2014-3347?
CyberStrike's AI-powered security agents can automatically detect CVE-2014-3347 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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