CVE-2013-5474

Name: CVE-2013-5474
Creator: NVD / NIST
Published: 2013-09-27T10:08:04.227+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.44%

Last modified Jun 16, 2026

CVE-2013-5474 is a vulnerability of currently unknown severity. Race condition in the IPv6 virtual fragmentation reassembly (VFR) implementation in Cisco IOS 12.2 through 12.4 and 15.0 through 15.3 allows remote attackers to cause a denial of service (device reload or hang) via fragmented IPv6 packets, aka Bug ID CSCud64812.. EPSS estimates a 1.44% chance of exploitation in the next 30 days.

Description

Race condition in the IPv6 virtual fragmentation reassembly (VFR) implementation in Cisco IOS 12.2 through 12.4 and 15.0 through 15.3 allows remote attackers to cause a denial of service (device reload or hang) via fragmented IPv6 packets, aka Bug ID CSCud64812.

Metrics

EPSS Probability

1.44%

69.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-362

Affected Software

Vendor	Product	Versions
Cisco	Ios	12.2
Cisco	Ios	12.3
Cisco	Ios	12.4
Cisco	Ios	15.0
Cisco	Ios	15.1
Cisco	Ios	15.2
Cisco	Ios	15.3

References

Timeline

Published: Sep 27, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2013-5474?

How severe is CVE-2013-5474?

Severity scoring for CVE-2013-5474 is pending analysis. The EPSS model estimates a 1.44% probability of exploitation in the next 30 days.

How do I fix CVE-2013-5474?

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-2013-5474?

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

Scan your code now

Source: NVD / NIST