CVE-2022-20821

Known Exploited Vulnerability Entry External Catalog

Back to Catalog View Vulnerability
Entry Details

CVE-2022-20821

Confirmed

Yes

2022-05-23 00:00 UTC

Timestamps

2022-05-23

2022-05-23

Scope

KEV entry: Cisco IOS XR Open Port Vulnerability | Affected: Cisco / IOS XR | 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. | Required action: Apply updates per vendor instructions. | Due date: 2022-06-13 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2022-20821

References
  • {'id': 'CVE-2022-20821', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-20821'}

aaf4a9de-3195-4aa4-8c75-e92b26693d02

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:25 UTC

2026-02-06 07:53 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-923"
  ],
  "date_added": "2022-05-23",
  "due_date": "2022-06-13",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "IOS XR",
  "vendorProject": "Cisco",
  "vulnerabilityName": "Cisco IOS XR Open Port Vulnerability"
}
 -
Export Options
JSON Object JSON API View Full Catalog