{"schema_version":"public-product-v1.1","generated_at":"2026-07-21T11:03:50Z","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-catpon-multivulns-CE3DSYGr","slug":"cisco-sa-catpon-multivulns-ce3dsygr","vendor":"Cisco","title":"Cisco Catalyst PON Series Switches Optical Network Terminal Vulnerabilities","summary":"Multiple vulnerabilities in the web-based management interface of the Cisco Catalyst Passive Optical Network (PON) Series Switches Optical Network Terminal (ONT) could allow an unauthenticated, remote attacker to perform the following actions: Log in with a default credential if the Telnet protocol is enabled Perform command injection Modify the configuration 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-catpon-multivulns-CE3DSYGr","severity":"Critical","published_at":"2021-11-03T16:00:00Z","updated_at":"2021-11-03T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-catpon-multivulns-CE3DSYGr","csaf_url":"https://sec.cloudapps.cisco.com/security/center/contentjson/CiscoSecurityAdvisory/cisco-sa-catpon-multivulns-CE3DSYGr/csaf/cisco-sa-catpon-multivulns-CE3DSYGr.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":3,"visible_product_count":1,"public_evidence_count":3,"kev_count":0,"highest_epss":0.04631},"cves":[{"id":"CVE-2021-40113","kev":false,"epss":{"score":0.04631,"percentile":0.90681,"score_date":"2026-07-19","updated_at":"2026-07-20T05:46:48Z"}},{"id":"CVE-2021-34795","kev":false,"epss":{"score":0.01745,"percentile":0.75281,"score_date":"2026-07-19","updated_at":"2026-07-20T05:46:48Z"}},{"id":"CVE-2021-40112","kev":false,"epss":{"score":0.01386,"percentile":0.69178,"score_date":"2026-07-19","updated_at":"2026-07-20T05:46:48Z"}}],"public_evidence":[{"product":{"name":"Cisco Catalyst PON Series","slug":"cisco-catalyst-pon-series","vendor":"Cisco"},"cve":{"id":"CVE-2021-40113"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known 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CSAF","source_document_fetched_at":"2026-07-19T23:50:03Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco Catalyst PON Series","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 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