{"schema_version":"public-product-v1.1","generated_at":"2026-07-21T10:12:26Z","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-fxos-buffer-cSdmfWUt","slug":"cisco-sa-fxos-buffer-csdmfwut","vendor":"Cisco","title":"Cisco FXOS Software Buffer Overflow Vulnerability","summary":"A vulnerability in Cisco FXOS Software could allow an authenticated, local attacker with administrative credentials to cause a buffer overflow condition. The vulnerability is due to incorrect bounds checking of values that are parsed from a specific file. An attacker could exploit this vulnerability by supplying a crafted file that, when it is processed, may cause a stack-based buffer overflow. A successful exploit could allow the attacker to execute arbitrary code on the underlying operating system with root privileges. An attacker would need to have valid administrative credentials to exploit this vulnerability. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-buffer-cSdmfWUt","severity":"Medium","published_at":"2020-09-02T16:00:00Z","updated_at":"2020-09-02T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-buffer-cSdmfWUt","csaf_url":"https://sec.cloudapps.cisco.com/security/center/contentjson/CiscoSecurityAdvisory/cisco-sa-fxos-buffer-cSdmfWUt/csaf/cisco-sa-fxos-buffer-cSdmfWUt.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":1,"visible_product_count":2,"public_evidence_count":2,"kev_count":0,"highest_epss":0.00387},"cves":[{"id":"CVE-2020-3545","kev":false,"epss":{"score":0.00387,"percentile":0.31048,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:33Z"}}],"public_evidence":[{"product":{"name":"Cisco Firepower 9000 Series","slug":"cisco-firepower-9000-series","vendor":"Cisco"},"cve":{"id":"CVE-2020-3545"},"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":"2026-07-20T00:09:16Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco Firepower Extensible Operating System (FXOS) 2.2.1.63 when installed on Cisco Firepower 9000 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.1.70 when installed on Cisco Firepower 9000 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.2.101 when installed on Cisco Firepower 9000 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.2.19 when installed on Cisco Firepower 9000 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.2.60 when installed on Cisco Firepower 9000 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.2.71 when installed on Cisco Firepower 9000 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.2.86 when installed on Cisco Firepower 9000 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.2.91 when installed on Cisco Firepower 9000 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 exposure.","kev":false,"epss":{"score":0.00387,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:33Z"},"published_at":"2020-09-02T16:00:00Z","updated_at":"2020-09-02T16:00:00Z","advisory_updated_at":"2020-09-02T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-buffer-cSdmfWUt","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-buffer-cSdmfWUt"},"row_display_order":1},{"product":{"name":"Cisco Firepower 4100 Series","slug":"cisco-firepower-4100-series","vendor":"Cisco"},"cve":{"id":"CVE-2020-3545"},"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":"2026-07-20T00:09:16Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco Firepower Extensible Operating System (FXOS) 2.2.1.63 when installed on Cisco Firepower 4100 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.1.66 when installed on Cisco Firepower 4100 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.1.70 when installed on Cisco Firepower 4100 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.2.101 when installed on Cisco Firepower 4100 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.2.17 when installed on Cisco Firepower 4100 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.2.19 when installed on Cisco Firepower 4100 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.2.24 when installed on Cisco Firepower 4100 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.2.26 when installed on Cisco Firepower 4100 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.2.28 when installed on Cisco Firepower 4100 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.2.54 when installed on Cisco Firepower 4100 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.2.60 when installed on Cisco Firepower 4100 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.2.71 when installed on Cisco Firepower 4100 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.2.83 when installed on Cisco Firepower 4100 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.2.86 when installed on Cisco Firepower 4100 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.2.91 when installed on Cisco Firepower 4100 Series; Cisco Firepower Extensible Operating System (FXOS) 2.2.2.97 when installed on Cisco Firepower 4100 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 exposure.","kev":false,"epss":{"score":0.00387,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:33Z"},"published_at":"2020-09-02T16:00:00Z","updated_at":"2020-09-02T16:00:00Z","advisory_updated_at":"2020-09-02T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-buffer-cSdmfWUt","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-buffer-cSdmfWUt"},"row_display_order":2}]}