CVE-2015-4200

Name: CVE-2015-4200
Creator: NVD / NIST
Published: 2015-06-23T12:59:00.1+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.46%

Last modified Jun 17, 2026

CVE-2015-4200 is a vulnerability of currently unknown severity. Memory leak in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine (PRE) module on UBR devices allows remote attackers to cause a denial of service (memory consumption) by triggering an error during CPE negotiation, aka Bug ID CSCug00885.. EPSS estimates a 3.46% chance of exploitation in the next 30 days.

Description

Memory leak in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine (PRE) module on UBR devices allows remote attackers to cause a denial of service (memory consumption) by triggering an error during CPE negotiation, aka Bug ID CSCug00885.

Metrics

EPSS Probability

3.46%

87.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Cisco	Ios	15.3\(3\)s
Cisco	Ios	15.3s

References

http://tools.cisco.com/security/center/viewAlert.x?alertId=39424Vendor Advisory
http://www.securityfocus.com/bid/75254Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1032692Third Party Advisory, VDB Entry
http://tools.cisco.com/security/center/viewAlert.x?alertId=39424Vendor Advisory
http://www.securityfocus.com/bid/75254Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1032692Third Party Advisory, VDB Entry

Timeline

Published: Jun 23, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-4200?

How severe is CVE-2015-4200?

Severity scoring for CVE-2015-4200 is pending analysis. The EPSS model estimates a 3.46% probability of exploitation in the next 30 days.

How do I fix CVE-2015-4200?

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-2015-4200?

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

Scan your code now

Source: NVD / NIST