CVE-2015-6263

Name: CVE-2015-6263
Creator: NVD / NIST
Published: 2015-10-12T01:59:20.44+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.05%

Last modified Jun 17, 2026

CVE-2015-6263 is a vulnerability of currently unknown severity. The RADIUS client implementation in Cisco IOS 15.4(3)M2.2, when a shared RADIUS secret is configured, allows remote RADIUS servers to cause a denial of service (device reload) via malformed answers, aka Bug ID CSCuu59324.. EPSS estimates a 1.05% chance of exploitation in the next 30 days.

Description

The RADIUS client implementation in Cisco IOS 15.4(3)M2.2, when a shared RADIUS secret is configured, allows remote RADIUS servers to cause a denial of service (device reload) via malformed answers, aka Bug ID CSCuu59324.

Metrics

EPSS Probability

1.05%

59.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Cisco	Ios	15.4\(3\)m2.2

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151005-ios-radiusVendor Advisory
http://www.securitytracker.com/id/1033747Third Party Advisory, VDB Entry
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151005-ios-radiusVendor Advisory
http://www.securitytracker.com/id/1033747Third Party Advisory, VDB Entry

Timeline

Published: Oct 12, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-6263?

How severe is CVE-2015-6263?

Severity scoring for CVE-2015-6263 is pending analysis. The EPSS model estimates a 1.05% probability of exploitation in the next 30 days.

How do I fix CVE-2015-6263?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-6263?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST