CVE-2015-4243

Name: CVE-2015-4243
Creator: NVD / NIST
Published: 2015-07-08T14:59:03.817+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.77%

Last modified Jun 17, 2026

CVE-2015-4243 is a vulnerability of currently unknown severity. The PPPoE establishment implementation in Cisco IOS XE 3.5.0S on ASR 1000 devices allows remote attackers to cause a denial of service (device reload) by sending malformed PPPoE Active Discovery Request (PADR) packets on the local network, aka Bug ID CSCty94202.. EPSS estimates a 0.77% chance of exploitation in the next 30 days.

Description

The PPPoE establishment implementation in Cisco IOS XE 3.5.0S on ASR 1000 devices allows remote attackers to cause a denial of service (device reload) by sending malformed PPPoE Active Discovery Request (PADR) packets on the local network, aka Bug ID CSCty94202.

Metrics

EPSS Probability

0.77%

50.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Cisco	Ios Xe	3.5.0s

References

http://tools.cisco.com/security/center/viewAlert.x?alertId=39675Vendor Advisory
http://www.securitytracker.com/id/1032805Third Party Advisory, VDB Entry
http://tools.cisco.com/security/center/viewAlert.x?alertId=39675Vendor Advisory
http://www.securitytracker.com/id/1032805Third Party Advisory, VDB Entry

Timeline

Published: Jul 8, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-4243?

How severe is CVE-2015-4243?

Severity scoring for CVE-2015-4243 is pending analysis. The EPSS model estimates a 0.77% probability of exploitation in the next 30 days.

How do I fix CVE-2015-4243?

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-2015-4243?

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

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Source: NVD / NIST