Vulnerability Name:

CVE-2015-0639 (CCN-101795)

Assigned:2015-03-25
Published:2015-03-25
Updated:2015-09-04
Summary:The Common Flow Table (CFT) feature in Cisco IOS XE 3.6 and 3.7 before 3.7.1S, 3.8 before 3.8.0S, 3.9 before 3.9.0S, 3.10 before 3.10.0S, 3.11 before 3.11.0S, 3.12 before 3.12.0S, 3.13 before 3.13.0S, 3.14 before 3.14.0S, and 3.15 before 3.15.0S, when MMON or NBAR is enabled, allows remote attackers to cause a denial of service (device reload) via malformed IPv6 packets with IPv4 UDP encapsulation, aka Bug ID CSCua79665.
CVSS v3 Severity:7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:7.8 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
5.8 Medium (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
5.8 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2015-0639

Source: CCN
Type: Cisco Security Advisory ID: cisco-sa-20150325-iosxe
Multiple Vulnerabilities in Cisco IOS XE Software for Cisco ASR 1000 Series, Cisco ISR 4400 Series, and Cisco Cloud Services 1000v Series Routers

Source: CISCO
Type: Vendor Advisory
20150325 Multiple Vulnerabilities in Cisco IOS XE Software for Cisco ASR 1000 Series, Cisco ISR 4400 Series, and Cisco Cloud Services 1000v Series Routers

Source: SECTRACK
Type: UNKNOWN
1031981

Source: XF
Type: UNKNOWN
ciscoiosxe-cve20150639-dos(101795)

Source: CCN
Type: Cisco Security Advisory cisco-sa-20150325-iosxe
Multiple Vulnerabilities in Cisco IOS XE Software for Cisco ASR 1000 Series, Cisco ISR 4400 Series, and Cisco Cloud Services 1000v Series Routers

Vulnerable Configuration:Configuration 1:
  • cpe:/o:cisco:ios_xe:3.6s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.6s.0:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.6s.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.6s.2:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.7s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.7s.0:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.7s.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.7s.2:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.7s.3:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.7s.4:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.7s.5:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:cisco:ios_xe:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco ios xe 3.6s
    cisco ios xe 3.6s.0
    cisco ios xe 3.6s.1
    cisco ios xe 3.6s.2
    cisco ios xe 3.7s
    cisco ios xe 3.7s.0
    cisco ios xe 3.7s.1
    cisco ios xe 3.7s.2
    cisco ios xe 3.7s.3
    cisco ios xe 3.7s.4
    cisco ios xe 3.7s.5
    cisco ios xe *