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CVE-2015-0586

7.8 · HIGH

The Network-Based Application Recognition (NBAR) protocol implementation in Cisco IOS 15.3(100)M and earlier on Cisco 2900 Integrated Services Router (aka Cisco Internet Router) devices allows remo…

Published Jan 28, 2015ciscoCWE-399EPSS 2.34%

Overview

CVE-2015-0586 is a high-severity vulnerability affecting cisco ios. It was published on January 28, 2015 and has a CVSS 2.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The Network-Based Application Recognition (NBAR) protocol implementation in Cisco IOS 15.3(100)M and earlier on Cisco 2900 Integrated Services Router (aka Cisco Internet Router) devices allows remote attackers to cause a denial of service (NBAR process hang) via IPv4 packets, aka Bug ID CSCuo73682.

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
ciscoios0Affected

References

Reftools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0586Reftools.cisco.com/security/center/viewAlert.x?alertId=37171Refwww.securityfocus.com/bid/72309Refwww.securitytracker.com/id/1031659Refexchange.xforce.ibmcloud.com/vulnerabilities/100660Reftools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0586Reftools.cisco.com/security/center/viewAlert.x?alertId=37171Refwww.securityfocus.com/bid/72309Refwww.securitytracker.com/id/1031659Refexchange.xforce.ibmcloud.com/vulnerabilities/100660

How CyberStrike helps

Frequently asked questions

What is CVE-2015-0586?

CVE-2015-0586 is a high-severity vulnerability affecting cisco ios. It was published on January 28, 2015 and has a CVSS 2.0 base score of 7.8 (HIGH).

How severe is CVE-2015-0586?

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-0586?

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-2015-0586?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-0586 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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