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CVE Record
[ MEDIUM ]CVE-2022-20821

Cisco IOS XR Open Port Vulnerability

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.

cat cve-2022-20821.json
Vendor
Cisco
Product
IOS XR
CVSS
6.5
EPSS (exploit probability)
12.1%
Status
kev
CISA patch-by (BOD 22-01)
Published

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.

Added to CISA’s Known Exploited Vulnerabilities catalog on 2022-05-23. Required action per CISA: Apply updates per vendor instructions. Due date: 2022-06-13.

This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.