CVE-2022-20821: Cisco IOS XR
EPSS11.4%No. 1244 of 1739 in KEV
CVE year2022listed the same year
Same vendor in KEV100
Same product6
| Field | Value |
|---|---|
| Vendor | Cisco |
| Product | IOS XR |
| Name | Cisco IOS XR Open Port Vulnerability |
| Added to KEV | 2022-05-23 |
| US federal due date | 2022-06-13 |
| Ransomware use | Unknown |
| CWE | CWE-923 |
CISA 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.
Other entries for this product
| CVE | Vendor / product | Added | EPSS | Ransomware |
|---|---|---|---|---|
| CVE-2010-3035 | Cisco IOS XR | 2022-03-25 | 5.6% | Unknown |
| CVE-2009-2055 | Cisco IOS XR | 2022-03-25 | 3.3% | Unknown |
| CVE-2020-3569 | Cisco IOS XR | 2021-11-03 | 3.3% | Unknown |
| CVE-2020-3566 | Cisco IOS XR | 2021-11-03 | 3.7% | Unknown |
| CVE-2020-3118 | Cisco IOS XR | 2021-11-03 | 11.6% | Unknown |
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A Cisco IOS XR vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2022-05-23.