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CVE-2015-6311

6.1 · MEDIUM

Cisco Wireless LAN Controller (WLC) devices with software 7.0(240.0), 7.3(101.0), and 7.4(1.19) allow remote attackers to cause a denial of service (device outage) by sending malformed 802.11i mana…

Published Oct 8, 2015ciscoCWE-399EPSS 0.77%

Overview

CVE-2015-6311 is a medium-severity vulnerability affecting cisco wireless_lan_controller. It was published on October 8, 2015 and has a CVSS 2.0 base score of 6.1 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.1, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Cisco Wireless LAN Controller (WLC) devices with software 7.0(240.0), 7.3(101.0), and 7.4(1.19) allow remote attackers to cause a denial of service (device outage) by sending malformed 802.11i management data to a managed access point, aka Bug ID CSCub65236.

Remediation

Check the references section for vendor advisories and patches from cisco. Update wireless_lan_controller 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

Reftools.cisco.com/security/center/viewAlert.x?alertId=41249Refwww.securitytracker.com/id/1033731Reftools.cisco.com/security/center/viewAlert.x?alertId=41249Refwww.securitytracker.com/id/1033731

How CyberStrike helps

Frequently asked questions

What is CVE-2015-6311?

CVE-2015-6311 is a medium-severity vulnerability affecting cisco wireless_lan_controller. It was published on October 8, 2015 and has a CVSS 2.0 base score of 6.1 (MEDIUM).

How severe is CVE-2015-6311?

This vulnerability has a CVSS 2.0 base score of 6.1, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-6311?

Check the references section for vendor advisories and patches from cisco. Update wireless_lan_controller 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-2015-6311?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-6311 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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