CVE-2015-4243

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.

Category

6.1
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.68% Top 30%
Vendor Advisory cisco.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1032805 vdb entry third party advisory
http://tools.cisco.com/security/center/viewAlert.x?alertId=39675 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-4243?
CVE-2015-4243 has been scored as a medium severity vulnerability.
How to fix CVE-2015-4243?
To fix CVE-2015-4243, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-4243 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-4243 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.