{"id":"CVE-2024-40723","aliases":["EUVD-2024-38588","GHSA-jjc3-cj6j-hw3v"],"status":"published","title":"CHANGING Information Technology HWATAIServiSign Windows Version - Stack-based Buffer Overflow","description":"The specific API in HWATAIServiSign Windows Version from CHANGING Information Technology does not properly validate the length of server-side inputs. When a user visits a spoofed website, unauthenticated remote attackers can cause a stack-based buffer overflow in the HWATAIServiSign, temporarily disrupting its service.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00481,"percentile":0.41971,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121","CWE-787"],"published":"2024-08-02T10:27:07Z","modified":"2026-06-17T07:46:24Z","products":[{"vendor":"changing information technology","product":"hwataiservisign windows version"},{"vendor":"changingtec","product":"hwatai_servisign"}],"references":[{"url":"https://www.twcert.org.tw/tw/cp-132-7968-ce2ef-1.html","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://www.twcert.org.tw/en/cp-139-7974-0562f-2.html","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-40723"},{"url":"https://github.com/advisories/GHSA-jjc3-cj6j-hw3v"}],"sources":{"cve":[{"id":"CVE-2024-40723","title":"CHANGING Information Technology HWATAIServiSign Windows Version - Stack-based Buffer Overflow","description":"The specific API in HWATAIServiSign Windows Version from CHANGING Information Technology does not properly validate the length of server-side inputs. When a user visits a spoofed website, unauthenticated remote attackers can cause a stack-based buffer overflow in the HWATAIServiSign, temporarily disrupting its service.","status":"published","published":"2024-08-02T10:27:07.987Z","modified":"2024-08-02T16:05:52.255Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:34:07.152829Z"}],"euvd":[{"id":"EUVD-2024-38588","description":"The specific API in HWATAIServiSign Windows Version from CHANGING Information Technology does not properly validate the length of server-side inputs. When a user visits a spoofed website, unauthenticated remote attackers can cause a stack-based buffer overflow in the HWATAIServiSign, temporarily disrupting its service.","status":"published","published":"2024-08-02T10:27:07Z","modified":"2024-08-02T16:05:52Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T03:50:04.380287Z"}],"ghsa":[{"id":"GHSA-jjc3-cj6j-hw3v","title":"The specific API in HWATAIServiSign Windows Version from CHANGING Information Technology does not...","description":"The specific API in HWATAIServiSign Windows Version from CHANGING Information Technology does not properly validate the length of server-side inputs. When a user visits a spoofed website, unauthenticated remote attackers can cause a stack-based buffer overflow in the HWATAIServiSign, temporarily disrupting its service.","status":"published","published":"2024-08-02T12:31:43Z","modified":"2024-08-09T15:34:05Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T14:57:55.154597Z"}],"nvd":[{"id":"CVE-2024-40723","description":"The specific API in HWATAIServiSign Windows Version from CHANGING Information Technology does not properly validate the length of server-side inputs. When a user visits a spoofed website, unauthenticated remote attackers can cause a stack-based buffer overflow in the HWATAIServiSign, temporarily disrupting its service.","status":"published","published":"2024-08-02T11:16:43.52Z","modified":"2026-06-17T07:46:24.617Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T14:10:15.933769Z"}]}}