Cisco Catalyst 9800 Firmware vulnerabilities

6 CVEs affecting Cisco Catalyst 9800 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2021-1565, published 2021-09-23.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2021-1437, published 2021-03-24. High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days. A vulnerability in the FlexConnect Upgrade feature of Cisco Aironet Series Access Points Software could allow an unauthenticated, remote attacker to obtain confidential information from an affected…
CVE-2021-1565, published 2021-09-23. High severity, CVSS 8.6. EPSS: 1.3% chance of exploitation in the next 30 days. Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol processing of Cisco IOS XE Software for Cisco Catalyst 9000 Family Wireless Controllers could…
CVE-2021-1439, published 2021-03-24. High severity, CVSS 7.4. EPSS: 0.4% chance of exploitation in the next 30 days. A vulnerability in the multicast DNS (mDNS) gateway feature of Cisco Aironet Series Access Points Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS)…
CVE-2021-1449, published 2021-03-24. Medium severity, CVSS 6.7. EPSS: 0.3% chance of exploitation in the next 30 days. A vulnerability in the boot logic of Cisco Access Points Software could allow an authenticated, local attacker to execute unsigned code at boot time. The vulnerability is due to an improper check…
CVE-2021-1423, published 2021-03-24. Medium severity, CVSS 4.4. EPSS: 0.2% chance of exploitation in the next 30 days. A vulnerability in the implementation of a CLI command in Cisco Aironet Access Points (AP) could allow an authenticated, local attacker to overwrite files in the flash memory of the device. This…
CVE-2021-1419, published 2021-09-23. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. A vulnerability in the SSH management feature of multiple Cisco Access Points (APs) platforms could allow a local, authenticated user to modify files on the affected device and possibly gain…