CVE-2015-4243 : The PPPoE establishment implementation in Cisco IOS XE 3.5.0S on ASR 1000 device

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.

Published 2015-07-08 14:59:04

Updated 2016-12-29 13:33:53

Source Cisco Systems, Inc.

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2015-4243

Cisco » Ios Xe » Version: 3.5.0s
cpe:2.3:o:cisco:ios_xe:3.5.0s:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Asr 1001 » Version: N/A
When used together with: Cisco » Asr 1001-x » Version: N/A
When used together with: Cisco » Asr 1002 » Version: N/A
When used together with: Cisco » Asr 1002-x » Version: N/A
When used together with: Cisco » Asr 1004 » Version: N/A
When used together with: Cisco » Asr 1006 » Version: N/A
When used together with: Cisco » Asr 1013 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2015-4243

EPSS FAQ

0.11%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 44 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2015-4243

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
6.1	MEDIUM	AV:A/AC:L/Au:N/C:N/I:N/A:C	6.5	6.9	NIST
Access Vector: Adjacent Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete

CWE ids for CVE-2015-4243

CWE-399

Assigned by: nvd@nist.gov (Primary)

References for CVE-2015-4243

http://tools.cisco.com/security/center/viewAlert.x?alertId=39675

Cisco IOS XE for Cisco 1000 Series ASR Routers Denial of Service Vulnerability
Vendor Advisory
http://www.securitytracker.com/id/1032805

Cisco 1000 Series ASR Router PADR Processing Flaw Lets Remote Users Deny Service - SecurityTracker
Third Party Advisory;VDB Entry

Jump to

Vulnerability Details : CVE-2015-4243

Products affected by CVE-2015-4243

Exploit prediction scoring system (EPSS) score for CVE-2015-4243

CVSS scores for CVE-2015-4243

CWE ids for CVE-2015-4243

References for CVE-2015-4243