{"schema_version":"public-product-v1.1","generated_at":"2026-07-21T09:59:31Z","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","advisory":{"id":"cisco-sa-cdb-cmicr-vulns-KJjFtNb","slug":"cisco-sa-cdb-cmicr-vulns-kjjftnb","vendor":"Cisco","title":"Cisco Catalyst Digital Building Series Switches and Cisco Catalyst Micro Switches Vulnerabilities","summary":"Multiple vulnerabilities that affect Cisco Catalyst Digital Building Series Switches and Cisco Catalyst Micro Switches could allow an attacker to execute persistent code at boot time or to permanently prevent the device from booting, resulting in a permanent denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cdb-cmicr-dos-KJjFtNb","severity":"High","published_at":"2022-04-13T16:00:00Z","updated_at":"2022-04-13T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cdb-cmicr-vulns-KJjFtNb","csaf_url":"https://sec.cloudapps.cisco.com/security/center/contentjson/CiscoSecurityAdvisory/cisco-sa-cdb-cmicr-vulns-KJjFtNb/csaf/cisco-sa-cdb-cmicr-vulns-KJjFtNb.json","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure."},"freshness":{"last_source_refreshed_at":"2026-07-21T05:16:34Z","latest_source_refresh_at":"2026-07-21T05:16:34Z","oldest_source_refresh_at":"2026-07-21T03:00:03Z","all_sources_fresh":true,"sources":[{"source":"cisco_advisories","label":"Cisco advisories","last_success_at":"2026-07-21T03:00:03Z","stale":false},{"source":"cisco_csaf","label":"Cisco CSAF","last_success_at":"2026-07-21T05:14:24Z","stale":false},{"source":"nvd_cves","label":"NVD CVEs","last_success_at":"2026-07-21T05:16:30Z","stale":false},{"source":"cisa_kev","label":"CISA KEV","last_success_at":"2026-07-21T05:16:31Z","stale":false},{"source":"first_epss","label":"EPSS","last_success_at":"2026-07-21T05:16:34Z","stale":false}]},"summary":{"cve_count":2,"visible_product_count":1,"public_evidence_count":2,"kev_count":0,"highest_epss":0.00235},"cves":[{"id":"CVE-2022-20731","kev":false,"epss":{"score":0.00235,"percentile":0.14575,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:34Z"}},{"id":"CVE-2022-20661","kev":false,"epss":{"score":0.00216,"percentile":0.12061,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:34Z"}}],"public_evidence":[{"product":{"name":"Cisco IOS ROMMON Software","slug":"cisco-ios-rommon-software","vendor":"Cisco"},"cve":{"id":"CVE-2022-20731"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known affected"},"evidence_source":"Cisco CSAF","source":"Cisco CSAF","source_document_fetched_at":"2026-07-20T00:32:42Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco IOS ROMMON Software","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","exposure_verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","kev":false,"epss":{"score":0.00235,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:34Z"},"published_at":"2022-04-13T16:00:00Z","updated_at":"2022-04-13T16:00:00Z","advisory_updated_at":"2022-04-13T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cdb-cmicr-vulns-KJjFtNb","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cdb-cmicr-vulns-KJjFtNb"},"row_display_order":1},{"product":{"name":"Cisco IOS ROMMON Software","slug":"cisco-ios-rommon-software","vendor":"Cisco"},"cve":{"id":"CVE-2022-20661"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known affected"},"evidence_source":"Cisco CSAF","source":"Cisco CSAF","source_document_fetched_at":"2026-07-20T00:32:42Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco IOS ROMMON Software","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","exposure_verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","kev":false,"epss":{"score":0.00216,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:34Z"},"published_at":"2022-04-13T16:00:00Z","updated_at":"2022-04-13T16:00:00Z","advisory_updated_at":"2022-04-13T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cdb-cmicr-vulns-KJjFtNb","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cdb-cmicr-vulns-KJjFtNb"},"row_display_order":2}]}