CVE-2020-3221 — Improper Input Validation in Cisco IOS XE Software 16.10.1

CWE-20 — Improper Input Validation4 documents4 sources
Severity
8.6HIGHNVD
EPSS
0.5%
top 33.81%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco IOS XE Software 16.10.1Cisco IOS XE
Timeline
PublishedJun 3
Latest updateMay 24

Description

A vulnerability in the Flexible NetFlow Version 9 packet processor of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper validation of parameters in a Flexible NetFlow Version 9 record. An attacker could exploit this vulnerability by sending a malformed Flexible NetFlow Version 9 packet to the Control and Provisioning of W…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:HExploitability: 3.9 | Impact: 4.0

Affected Packages2 packages

▶NVDcisco/ios_xe16 versions+15

Patches

Patch: tools.cisco.com ↗Patch: tools.cisco.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-q65h-8wrc-fm43: A vulnerability in the Flexible NetFlow Version 9 packet processor of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could↗2022-05-24
▶
CVEList
Cisco IOS XE Software Flexible NetFlow Version 9 Denial of Service Vulnerability↗2020-06-03
▶

📋Vendor Advisories

1
Cisco
Cisco IOS XE Software Flexible NetFlow Version 9 Denial of Service Vulnerability↗2020-06-03
▶
CVE-2020-3221 — Improper Input Validation in Cisco | cvebase