Out-of-bounds Read in Cisco Catalyst_9800-40
CVE-2020-3399
A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol processing of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, remote attacker to cause a…
EPSS: 0.013 (67.7th 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 — versions n/a
- Cisco Ios_xe — versions 16.12, 16.12.1s, 16.12.2
Weakness classification (CWE)
References
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3399?
- CVE-2020-3399 is a high-severity vulnerability in Cisco Catalyst_9800-40, classified under Buffer Over-read. CVSS score: 8.6/10. Published 2020-09-24.
- How severe is CVE-2020-3399?
- High severity. CVSS v3 base score is 8.6 out of 10.