Improper input validation in Cisco Catalyst_9800-40
CVE-2020-3221
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…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.015 (71.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Cisco Catalyst_9800-40
- Cisco Catalyst_9800-80
- Cisco Catalyst_9800-cl
- Cisco Catalyst_9800-l
- Cisco Catalyst_9800-l-c
- Cisco Catalyst_9800-l-f
- Cisco Ios Xe Software 16.10.1 — versions n/a
- Cisco Ios_xe — versions 16.10.1, 16.10.1a, 16.10.1b
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3221?
- CVE-2020-3221 is a high-severity vulnerability in Cisco Catalyst_9800-40, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2020-06-03.
- How severe is CVE-2020-3221?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2020-3221 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.