CVE-2022-20821 is a medium severity vulnerability with a CVSS score of 6.5. Exploits are available; patches have been released and should be applied urgently. This is classified as a zero-day vulnerability.
Moderate probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
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.
| Vendor | Product |
|---|---|
| Cisco | Ncs 1002 |
| Cisco | Ncs 55a2 |
| Cisco | 8212 |
| Cisco | Ncs 55a2 Mod S |
| Cisco | Ncs 5502 Se |
| Cisco | Ncs 5001 |
| Cisco | Ncs 55a2 Mod Se S |
| Cisco | Ncs 5504 |
| Cisco | iOS Xr |
| Cisco | 8218 |
And 18 more...
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