Vulnerability Details : CVE-2018-0471

A vulnerability in the Cisco Discovery Protocol (CDP) module of Cisco IOS XE Software Releases 16.6.1 and 16.6.2 could allow an unauthenticated, adjacent attacker to cause a memory leak that may lead to a denial of service (DoS) condition. The vulnerability is due to incorrect processing of certain CDP packets. An attacker could exploit this vulnerability by sending certain CDP packets to an affected device. A successful exploit could cause an affected device to continuously consume memory and eventually result in a memory allocation failure that leads to a crash, triggering a reload of the affected device.
Published 2018-10-05 14:29:05
Updated 2020-12-07 21:05:06
Source Cisco Systems, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2018-0471

EPSS FAQ
0.11%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 43 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-0471

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.1
 MEDIUM AV:A/AC:L/Au:N/C:N/I:N/A:C
6.5
6.9
 NIST
7.4
 HIGH CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
2.8
4.0
 NIST

CWE ids for CVE-2018-0471

  • The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
    Assigned by: ykramarz@cisco.com (Secondary)
  • The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-0471

Products affected by CVE-2018-0471

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