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CVE-2022-20821

KEV

Cisco IOS XR Open Port Vulnerability

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Vendor / Project
Cisco
Product
IOS XR
Date added
May 23, 2022
Due date
Jun 13, 2022
Known ransomware use
Unknown
CWEs
CWE-923

Description

Cisco IOS XR software health check opens TCP port 6379 by default on activation. An attacker can connect to the Redis instance on the open port and allow access to the Redis instance that is running within the NOSi container.

Required action

Apply updates per vendor instructions.

Notes