CVE-2020-3465 — Improper Input Validation in Cisco IOS XE Software 16.8.1

CWE-20 — Improper Input Validation4 documents4 sources
Severity
6.5MEDIUMNVD
CNA7.4
EPSS
0.1%
top 72.20%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco IOS XE Software 16.8.1Cisco IOS XE
Timeline
PublishedSep 24
Latest updateMay 24

Description

A vulnerability in Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a device to reload. The vulnerability is due to incorrect handling of certain valid, but not typical, Ethernet frames. An attacker could exploit this vulnerability by sending the Ethernet frames onto the Ethernet segment. A successful exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition.

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

▶NVDcisco/ios_xe16.6.9, 17.4.1+1

🔴Vulnerability Details

2
GHSA
GHSA-6wjw-6mqv-9jqj: A vulnerability in Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a device to reload↗2022-05-24
▶
CVEList
Cisco IOS XE Software Ethernet Frame Denial of Service Vulnerability↗2020-09-24
▶

📋Vendor Advisories

1
Cisco
Cisco IOS XE Software Ethernet Frame Denial of Service Vulnerability↗2020-09-24
▶
CVE-2020-3465 — Improper Input Validation in Cisco | cvebase