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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
FieldValue
VendorCisco
ProductIOS XR
NameCisco IOS XR Open Port Vulnerability
Added to KEV2022-05-23
US federal due date2022-06-13
Ransomware useUnknown
CWECWE-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

CVEVendor / productAddedEPSSRansomware
CVE-2010-3035Cisco IOS XR2022-03-255.6%Unknown
CVE-2009-2055Cisco IOS XR2022-03-253.3%Unknown
CVE-2020-3569Cisco IOS XR2021-11-033.3%Unknown
CVE-2020-3566Cisco IOS XR2021-11-033.7%Unknown
CVE-2020-3118Cisco IOS XR2021-11-0311.6%Unknown

NVD — CVE-2022-20821

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.