Vulnerability Name:

CVE-2015-6429 (CCN-109131)

Assigned:2015-12-18
Published:2015-12-18
Updated:2016-12-07
Summary:The IKEv1 state machine in Cisco IOS 15.4 through 15.6 and IOS XE 3.15 through 3.17 allows remote attackers to cause a denial of service (IPsec connection termination) via a crafted IKEv1 packet to a tunnel endpoint, aka Bug ID CSCuw08236.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
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): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-19
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2015-6429

Source: CCN
Type: Cisco Security Advisory cisco-sa-20151218-ios
Cisco IOS and IOS XE Software IKEv1 State Machine Denial of Service Vulnerability

Source: CISCO
Type: Vendor Advisory
20151218 Cisco IOS and IOS XE Software IKEv1 State Machine Denial of Service Vulnerability

Source: SECTRACK
Type: UNKNOWN
1034505

Source: XF
Type: UNKNOWN
ciscoiosxe-cve20156429-dos(109131)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:cisco:ios:15.4(3)s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.5(1)s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.5(1)t:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.5(2)s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.5(2)t:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.5(3)m:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.5(3)m1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.5(3)s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.5(3)s1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.6(0.17)t:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.6(1)t0a:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:cisco:ios_xe:3.15s.0:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.15s.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.15s.2:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.16s.0:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.16s.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.17s.0:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:3.17s.1:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:cisco:ios:15.0:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:15.5(3)s3.16:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco ios 15.4(3)s
    cisco ios 15.5(1)s
    cisco ios 15.5(1)t
    cisco ios 15.5(2)s
    cisco ios 15.5(2)t
    cisco ios 15.5(3)m
    cisco ios 15.5(3)m1
    cisco ios 15.5(3)s
    cisco ios 15.5(3)s1
    cisco ios 15.6(0.17)t
    cisco ios 15.6(1)t0a
    cisco ios xe 3.15s.0
    cisco ios xe 3.15s.1
    cisco ios xe 3.15s.2
    cisco ios xe 3.16s.0
    cisco ios xe 3.16s.1
    cisco ios xe 3.17s.0
    cisco ios xe 3.17s.1
    cisco ios 15.0
    cisco ios xe 15.5(3)s3.16