{"schema_version":"public-product-v1.1","generated_at":"2026-07-21T10:12:43Z","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-20110601-CVE-2011-1637","slug":"cisco-sa-20110601-cve-2011-1637","vendor":"Cisco","title":"Cisco Unified IP Phones 7900 Series Unsigned Code Installation Vulnerability","summary":"Cisco Unified IP Phones 7900 Series devices contain a vulnerability that could allow an authenticated, local attacker to load a software image without verification. The vulnerability is due to insecure security checks on software images.  An authenticated, local attacker could exploit this vulnerability to bypass signature verification and load a software image on a targeted device. Cisco has confirmed this vulnerability in a security advisory and has released updated software. A potential attacker would need to authenticate to an affected device, which would likely require an attacker to gain access to an internal, trusted network.  These factors could mitigate a possible attack. Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.","severity":"Medium","published_at":"2011-06-01T15:32:48Z","updated_at":"2011-06-01T15:32:48Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20110601-CVE-2011-1637","csaf_url":"https://sec.cloudapps.cisco.com/security/center/contentjson/CiscoSecurityAdvisory/Cisco-SA-20110601-CVE-2011-1637/csaf/Cisco-SA-20110601-CVE-2011-1637.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":13,"public_evidence_count":13,"kev_count":0,"highest_epss":0.00271},"cves":[{"id":"CVE-2011-1637","kev":false,"epss":{"score":0.00271,"percentile":0.19006,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:32Z"}}],"public_evidence":[{"product":{"name":"Cisco Unified IP Phone 7906G","slug":"cisco-unified-ip-phone-7906g","vendor":"Cisco"},"cve":{"id":"CVE-2011-1637"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known 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exposure.","kev":false,"epss":{"score":0.00271,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:32Z"},"published_at":"2011-06-01T15:32:48Z","updated_at":"2011-06-01T15:32:48Z","advisory_updated_at":"2011-06-01T15:32:48Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20110601-CVE-2011-1637","row_display_order":1},{"product":{"name":"Cisco Unified IP Phone 7911G","slug":"cisco-unified-ip-phone-7911g","vendor":"Cisco"},"cve":{"id":"CVE-2011-1637"},"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":"2026-07-20T05:17:43Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco Unified IP Phone 7911G","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":0.00271,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:32Z"},"published_at":"2011-06-01T15:32:48Z","updated_at":"2011-06-01T15:32:48Z","advisory_updated_at":"2011-06-01T15:32:48Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20110601-CVE-2011-1637","row_display_order":2},{"product":{"name":"Cisco Unified IP Phone 7931G","slug":"cisco-unified-ip-phone-7931g","vendor":"Cisco"},"cve":{"id":"CVE-2011-1637"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known 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exposure.","kev":false,"epss":{"score":0.00271,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:32Z"},"published_at":"2011-06-01T15:32:48Z","updated_at":"2011-06-01T15:32:48Z","advisory_updated_at":"2011-06-01T15:32:48Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20110601-CVE-2011-1637","row_display_order":3},{"product":{"name":"Cisco Unified IP Phone 7941G","slug":"cisco-unified-ip-phone-7941g","vendor":"Cisco"},"cve":{"id":"CVE-2011-1637"},"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":"2026-07-20T05:17:43Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco Unified IP Phone 7941G","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":0.00271,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:32Z"},"published_at":"2011-06-01T15:32:48Z","updated_at":"2011-06-01T15:32:48Z","advisory_updated_at":"2011-06-01T15:32:48Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20110601-CVE-2011-1637","row_display_order":4},{"product":{"name":"Cisco Unified IP Phone 7941G-GE","slug":"cisco-unified-ip-phone-7941g-ge","vendor":"Cisco"},"cve":{"id":"CVE-2011-1637"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known 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7942G","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":0.00271,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:32Z"},"published_at":"2011-06-01T15:32:48Z","updated_at":"2011-06-01T15:32:48Z","advisory_updated_at":"2011-06-01T15:32:48Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20110601-CVE-2011-1637","row_display_order":6},{"product":{"name":"Cisco Unified IP Phone 7945G","slug":"cisco-unified-ip-phone-7945g","vendor":"Cisco"},"cve":{"id":"CVE-2011-1637"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known 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7970G","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":0.00271,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:32Z"},"published_at":"2011-06-01T15:32:48Z","updated_at":"2011-06-01T15:32:48Z","advisory_updated_at":"2011-06-01T15:32:48Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20110601-CVE-2011-1637","row_display_order":12},{"product":{"name":"Cisco Unified IP Phone 7971G-GE","slug":"cisco-unified-ip-phone-7971g-ge","vendor":"Cisco"},"cve":{"id":"CVE-2011-1637"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known 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exposure.","kev":false,"epss":{"score":0.00271,"score_date":"2026-07-20","updated_at":"2026-07-21T05:16:32Z"},"published_at":"2011-06-01T15:32:48Z","updated_at":"2011-06-01T15:32:48Z","advisory_updated_at":"2011-06-01T15:32:48Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20110601-CVE-2011-1637","row_display_order":13}]}