{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-40677: The use of insecure HTTP transport within AMD optional tools could allow an attacker to conduct a man-in-the-middle attack, potentially leading to arbitrary code execution","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-40677","status":"final","version":"1","initial_release_date":"2026-06-12T14:29:55.440Z","current_release_date":"2026-06-13T03:55:53.301Z","revision_history":[{"date":"2026-06-12T14:29:55.440Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"The use of insecure HTTP transport within AMD optional tools could allow an attacker to conduct a man-in-the-middle attack, potentially leading to arbitrary code execution.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-40677 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-40677"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-40677"},{"category":"external","summary":"amd.com","url":"https://www.amd.com/en/resources/product-security/bulletin/amd-sb-9027.html"}]},"product_tree":{"branches":[{"category":"vendor","name":"AMD","branches":[{"category":"product_name","name":"AMD Management Console (AMC)","branches":[{"category":"product_version","name":"*","product":{"name":"AMD AMD Management Console (AMC) *","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:amd:amd_management_console_\\(amc\\):*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"14.0.0","product":{"name":"AMD AMD Management Console (AMC) 14.0.0","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:amd:amd_management_console_\\(amc\\):*:*:*:*:*:*:*:*"}}}]}]},{"category":"vendor","name":"AMD","branches":[{"category":"product_name","name":"AMD Ryzen™ Master","branches":[{"category":"product_version","name":"*","product":{"name":"AMD AMD Ryzen™ Master *","product_id":"CSAFPID-3","product_identification_helper":{"cpe":"cpe:2.3:a:amd:amd_ryzen™_master:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"2.14.3","product":{"name":"AMD AMD Ryzen™ Master 2.14.3","product_id":"CSAFPID-4","product_identification_helper":{"cpe":"cpe:2.3:a:amd:amd_ryzen™_master:*:*:*:*:*:*:*:*"}}}]}]},{"category":"vendor","name":"AMD","branches":[{"category":"product_name","name":"AMD µProf","branches":[{"category":"product_version","name":"*","product":{"name":"AMD AMD µProf *","product_id":"CSAFPID-5","product_identification_helper":{"cpe":"cpe:2.3:a:amd:amd_µprof:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"5.3","product":{"name":"AMD AMD µProf 5.3","product_id":"CSAFPID-6","product_identification_helper":{"cpe":"cpe:2.3:a:amd:amd_µprof:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-40677","title":"The use of insecure HTTP transport within AMD optional tools could allow an attacker to conduct a man-in-the-middle attack, potentially leading to arbitrary code execution","notes":[{"category":"description","text":"The use of insecure HTTP transport within AMD optional tools could allow an attacker to conduct a man-in-the-middle attack, potentially leading to arbitrary code execution.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1","CSAFPID-3","CSAFPID-5"],"fixed":["CSAFPID-2","CSAFPID-4","CSAFPID-6"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","baseScore":7.7,"baseSeverity":"HIGH"},"products":["CSAFPID-1","CSAFPID-3","CSAFPID-5"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: 2.14.3, 5.3, 14.0.0.","product_ids":["CSAFPID-1","CSAFPID-3","CSAFPID-5"]}]}]}