{"cve":{"cve_id":"CVE-2023-2905","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.01006,"epss_percentile":0.5849,"epss_as_of":"2026-06-23","description":"Due to a failure in validating the length of a provided MQTT_CMD_PUBLISH parsed message with a variable length header, Cesanta Mongoose, an embeddable web server, version 7.10 is susceptible to a heap-based buffer overflow vulnerability in the default configuration. Version 7.9 and prior does not appear to be vulnerable. This issue is resolved in version 7.11.\n","published_at":"2023-08-09T04:46:14.972000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"poc","ssvc_automatable":false,"ssvc_technical_impact":"total","cwes":["CWE-122"],"nvd_references":["https://takeonme.org/cves/CVE-2023-2905.html","https://github.com/cesanta/mongoose/pull/2274","https://github.com/cesanta/mongoose/releases/tag/7.11"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-29T01:30:03.723887Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"cesanta","vendor_name":"cesanta","product_slug":"mongoose","product_name":"mongoose","version_start":"7.10","version_start_inclusive":true,"version_end":"7.10","version_end_inclusive":true,"cpe23_uri":"cve5:cesanta:mongoose:7.10:7.10"},{"vendor_slug":"cesanta","vendor_name":"cesanta","product_slug":"mongoose","product_name":"mongoose","version_start":"7.11","version_start_inclusive":true,"version_end":"7.11","version_end_inclusive":true,"cpe23_uri":"cve5:cesanta:mongoose:7.11:7.11"}],"exploit_refs":[],"news":[],"references":[{"url":"https://takeonme.org/cves/CVE-2023-2905.html","source_type":"MISC","tags":[]},{"url":"https://github.com/cesanta/mongoose/pull/2274","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/cesanta/mongoose/releases/tag/7.11","source_type":"PATCH","tags":["patch"]}],"timeline":[{"type":"published","at":"2023-08-09T04:46:14.972000Z","label":"CVE published","source":null},{"type":"ssvc_changed","at":"2026-06-29T01:30:03.723887Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:30:03.723887Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:30:03.723887Z","label":"SSVC decision revised","source":"vulnrichment"}]}