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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2018-0257

A vulnerability in Cisco IOS XE Software running on Cisco cBR Series Converged Broadband Routers could allow an unauthenticated, adjacent attacker to cause high CPU usage on an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to the incorrect handling of certain DHCP packets. An attacker could exploit this vulnerability by sending certain DHCP packets to a specific segment of an affected device. A successful exploit could allow the attacker to increase CPU usage on the affected device and cause a DoS condition. Cisco Bug IDs: CSCvg73687.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 45.7%
CVSS Severity
CVSS v3 Score 4.3
CVSS v2 Score 3.3
Products affected by CVE-2018-0257
  • Cisco » Ios Xe » Version: 15.6(2)sp
    cpe:2.3:o:cisco:ios_xe:15.6(2)sp
  • Cisco » Ios Xe » Version: 16.4
    cpe:2.3:o:cisco:ios_xe:16.4
  • Cisco » Ios Xe » Version: 16.5
    cpe:2.3:o:cisco:ios_xe:16.5
  • Cisco » Ios Xe » Version: 16.6
    cpe:2.3:o:cisco:ios_xe:16.6
  • Cisco » Ios Xe » Version: 16.6.1
    cpe:2.3:o:cisco:ios_xe:16.6.1
  • Cisco » Ios Xe » Version: 16.6.1a
    cpe:2.3:o:cisco:ios_xe:16.6.1a
  • Cisco » Ios Xe » Version: 16.6.2
    cpe:2.3:o:cisco:ios_xe:16.6.2
  • Cisco » Ios Xe » Version: 16.6.3
    cpe:2.3:o:cisco:ios_xe:16.6.3
  • Cisco » Ios Xe » Version: 16.7(1)
    cpe:2.3:o:cisco:ios_xe:16.7(1)
  • Cisco » Ios Xe » Version: 16.7.0
    cpe:2.3:o:cisco:ios_xe:16.7.0
  • Cisco » Ios Xe » Version: 16.7.1
    cpe:2.3:o:cisco:ios_xe:16.7.1
  • Cisco » Ios Xe » Version: 16.7.1a
    cpe:2.3:o:cisco:ios_xe:16.7.1a
  • Cisco » Ios Xe » Version: 16.7.1b
    cpe:2.3:o:cisco:ios_xe:16.7.1b
  • Cisco » Ios Xe » Version: 16.7.2
    cpe:2.3:o:cisco:ios_xe:16.7.2
  • Cisco » Ios Xe » Version: 3.18
    cpe:2.3:o:cisco:ios_xe:3.18
  • Cisco » Ios Xe » Version: 3.18.0
    cpe:2.3:o:cisco:ios_xe:3.18.0
  • Cisco » Ios Xe » Version: 3.18.0as
    cpe:2.3:o:cisco:ios_xe:3.18.0as
  • Cisco » Ios Xe » Version: 3.18.0s
    cpe:2.3:o:cisco:ios_xe:3.18.0s
  • Cisco » Ios Xe » Version: 3.18.0sp
    cpe:2.3:o:cisco:ios_xe:3.18.0sp
  • Cisco » Ios Xe » Version: 3.18.1
    cpe:2.3:o:cisco:ios_xe:3.18.1
  • Cisco » Ios Xe » Version: 3.18.1asp
    cpe:2.3:o:cisco:ios_xe:3.18.1asp
  • Cisco » Ios Xe » Version: 3.18.1bsp
    cpe:2.3:o:cisco:ios_xe:3.18.1bsp
  • Cisco » Ios Xe » Version: 3.18.1csp
    cpe:2.3:o:cisco:ios_xe:3.18.1csp
  • Cisco » Ios Xe » Version: 3.18.1gsp
    cpe:2.3:o:cisco:ios_xe:3.18.1gsp
  • Cisco » Ios Xe » Version: 3.18.1hsp
    cpe:2.3:o:cisco:ios_xe:3.18.1hsp
  • Cisco » Ios Xe » Version: 3.18.1isp
    cpe:2.3:o:cisco:ios_xe:3.18.1isp
  • Cisco » Ios Xe » Version: 3.18.1s
    cpe:2.3:o:cisco:ios_xe:3.18.1s
  • Cisco » Ios Xe » Version: 3.18.1sp
    cpe:2.3:o:cisco:ios_xe:3.18.1sp
  • Cisco » Ios Xe » Version: 3.18.2asp
    cpe:2.3:o:cisco:ios_xe:3.18.2asp
  • Cisco » Ios Xe » Version: 3.18.2s
    cpe:2.3:o:cisco:ios_xe:3.18.2s
  • Cisco » Ios Xe » Version: 3.18.2sp
    cpe:2.3:o:cisco:ios_xe:3.18.2sp
  • Cisco » Ios Xe » Version: 3.18.3asp
    cpe:2.3:o:cisco:ios_xe:3.18.3asp
  • Cisco » Ios Xe » Version: 3.18.3bsp
    cpe:2.3:o:cisco:ios_xe:3.18.3bsp
  • Cisco » Ios Xe » Version: 3.18.3s
    cpe:2.3:o:cisco:ios_xe:3.18.3s
  • Cisco » Ios Xe » Version: 3.18.3sp
    cpe:2.3:o:cisco:ios_xe:3.18.3sp
  • Cisco » Ios Xe » Version: 3.18.3vs
    cpe:2.3:o:cisco:ios_xe:3.18.3vs
  • Cisco » Ios Xe » Version: 3.18.4
    cpe:2.3:o:cisco:ios_xe:3.18.4


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