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CVE-2014-3293

5.0 · MEDIUM

Cisco IOS 15.4(3)S0b on ASR901 devices makes incorrect decisions to use the CPU for IPv4 packet processing, which allows remote attackers to cause a denial of service (BGP neighbor flapping) by sen…

Published Oct 28, 2014ciscoCWE-399EPSS 1.74%

Overview

CVE-2014-3293 is a medium-severity vulnerability affecting cisco ios. It was published on October 28, 2014 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Cisco IOS 15.4(3)S0b on ASR901 devices makes incorrect decisions to use the CPU for IPv4 packet processing, which allows remote attackers to cause a denial of service (BGP neighbor flapping) by sending many crafted IPv4 packets, aka Bug ID CSCuo29736.

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

VendorProductVersionsStatus

References

Refsecunia.com/advisories/61830Reftools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3293Reftools.cisco.com/security/center/viewAlert.x?alertId=36195Refwww.securityfocus.com/bid/70744Refwww.securitytracker.com/id/1031122Refexchange.xforce.ibmcloud.com/vulnerabilities/97769Refsecunia.com/advisories/61830Reftools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3293Reftools.cisco.com/security/center/viewAlert.x?alertId=36195Refwww.securityfocus.com/bid/70744

How CyberStrike helps

Frequently asked questions

What is CVE-2014-3293?

CVE-2014-3293 is a medium-severity vulnerability affecting cisco ios. It was published on October 28, 2014 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2014-3293?

This vulnerability has a CVSS 2.0 base score of 5.0, 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-2014-3293?

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-2014-3293?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-3293 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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