A AegiFlow
UNKNOWNKNOWN EXPLOITED

CVE-2022-20821

Cisco IOS XR Open Port Vulnerability

Published
2022-05-23
Modified
2026-07-31
Sources
cisa-kev

Summary

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.

References

Includes data from the CISA Known Exploited Vulnerabilities catalog.

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