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CVE-2015-6403

Published Dec 15, 2015 cisco CWE-20

Overview

CVE-2015-6403 is a known-severity vulnerability affecting cisco spa500_firmware. It was published on December 15, 2015.

Technical Description

The TFTP implementation on Cisco Small Business SPA30x, SPA50x, SPA51x phones 7.5.7 improperly validates firmware-image file integrity, which allows local users to load a Trojan horse image by leveraging shell access, aka Bug ID CSCut67400.

Remediation

Check the references section for vendor advisories and patches from cisco. Update spa500_firmware 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

References

Ref tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151209-ipp Ref www.securityfocus.com/bid/78739 Ref www.securitytracker.com/id/1034376 Ref tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151209-ipp Ref www.securityfocus.com/bid/78739 Ref www.securitytracker.com/id/1034376

Frequently Asked Questions

What is CVE-2015-6403?

CVE-2015-6403 is a known-severity vulnerability affecting cisco spa500_firmware. It was published on December 15, 2015.

How severe is CVE-2015-6403?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2015-6403?

Check the references section for vendor advisories and patches from cisco. Update spa500_firmware 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-2015-6403?

CyberStrike's AI-powered security agents can automatically detect CVE-2015-6403 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

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