Vulnerability Monitor

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CVE-2018-0159

A vulnerability in the implementation of Internet Key Exchange Version 1 (IKEv1) functionality in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of specific IKEv1 packets. An attacker could exploit this vulnerability by sending crafted IKEv1 packets to an affected device during an IKE negotiation. A successful exploit could allow the attacker to cause an affected device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCuj73916.

Published

2018-03-28T22:29:00.593

Last Modified

2025-01-27T20:17:00.713

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

6.9

Weaknesses
  • Type: Secondary
    CWE-20
  • Type: Primary
    NVD-CWE-noinfo
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios 15.3\(3\)s Yes
Hardware cisco asr_901-12c-f-d - No
Hardware cisco asr_901-12c-ft-d - No
Hardware cisco asr_901-4c-f-d - No
Hardware cisco asr_901-4c-ft-d - No
Hardware cisco asr_901-6cz-f-a - No
Hardware cisco asr_901-6cz-f-d - No
Hardware cisco asr_901-6cz-ft-a - No
Hardware cisco asr_901-6cz-ft-d - No
Hardware cisco me_3600x-24cx-m - No
Hardware cisco me_3600x-24fs-m - No
Hardware cisco me_3600x-24ts-m - No
Hardware cisco me_3800x-24fs-m - No
Operating System cisco ios_xe 15.3\(3\)s Yes
Hardware cisco asr_901-12c-f-d - No
Hardware cisco asr_901-12c-ft-d - No
Hardware cisco asr_901-4c-f-d - No
Hardware cisco asr_901-4c-ft-d - No
Hardware cisco asr_901-6cz-f-a - No
Hardware cisco asr_901-6cz-f-d - No
Hardware cisco asr_901-6cz-ft-a - No
Hardware cisco asr_901-6cz-ft-d - No
Hardware cisco me_3600x-24cx-m - No
Hardware cisco me_3600x-24fs-m - No
Hardware cisco me_3600x-24ts-m - No
Hardware cisco me_3800x-24fs-m - No
References