CVE detail

CVE-2022-20821 — Cisco IOS XR Open Port Vulnerability

Published 2022-05-23 · Modified 2022-05-23 · Source kev

HIGH

severity

CVSS-derived band

n/a

CVSS v3

0–10 scale

0.1176

EPSS probability

exploitation probability, 30d

96.0%

EPSS percentile

percentile vs all CVEs

LISTED

CISA KEV

due 2022-06-13

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.

Remediation

No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.