What is CVE-2018-0471?

CVE-2018-0471 is a high-severity vulnerability in Cisco Ios Xe Software, classified under Uncontrolled Resource Consumption. CVSS score: 7.4/10. Published 2018-10-05.

How severe is CVE-2018-0471?

High severity. CVSS v3 base score is 7.4 out of 10.

Resource exhaustion in Cisco Ios Xe Software

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.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.008 (54.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Ios Xe Software — versions n/a
Cisco Ios_xe — versions 16.6.1, 16.6.2

Weakness classification (CWE)

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)

Frequently asked questions

What is CVE-2018-0471?: CVE-2018-0471 is a high-severity vulnerability in Cisco Ios Xe Software, classified under Uncontrolled Resource Consumption. CVSS score: 7.4/10. Published 2018-10-05.
How severe is CVE-2018-0471?: High severity. CVSS v3 base score is 7.4 out of 10.