Vulnerability Details : CVE-2018-0171

A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition, or to execute arbitrary code on an affected device. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted Smart Install message to an affected device on TCP port 4786. A successful exploit could allow the attacker to cause a buffer overflow on the affected device, which could have the following impacts: Triggering a reload of the device, Allowing the attacker to execute arbitrary code on the device, Causing an indefinite loop on the affected device that triggers a watchdog crash. Cisco Bug IDs: CSCvg76186.
Published 2018-03-28 22:29:01
Updated 2020-09-04 18:25:04
Source Cisco Systems, Inc.
View at NVD,   CVE.org
Vulnerability category: OverflowMemory CorruptionInput validationExecute codeDenial of service

Products affected by CVE-2018-0171

CVE-2018-0171 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Cisco IOS and IOS XE Software Smart Install Remote Code Execution Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Cisco IOS and IOS XE Software improperly validates packet data, allowing an unauthenticated, remote attacker to trigger a reload of an affected device, cause a denial-of-service (DoS) condition, or perform code execution on the affected device.
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2018-0171
Added on 2021-11-03 Action due date 2022-05-03

Exploit prediction scoring system (EPSS) score for CVE-2018-0171

EPSS FAQ
74.49%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 98 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-0171

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
10.0
 HIGH AV:N/AC:L/Au:N/C:C/I:C/A:C
10.0
10.0
 NIST
9.8
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
 NIST

CWE ids for CVE-2018-0171

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: ykramarz@cisco.com (Secondary)
  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-0171

Jump to
This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!
Accept Close