本頁列出影響 changingtec tcb_servisign 的已公開 CVE 漏洞（透過 NVD CPE 關聯）。每列包含嚴重程度評分、摘要與發布日期，便於識別與分析安全議題。
| CVE | 摘要 | 來源 | 最高 CVSS | EPSS % | 公開時間 | 更新時間 |
|---|---|---|---|---|---|---|
| CVE-2024-40722 | The specific API in TCBServiSign Windows Version from CHANGING Information Technology does does not properly validate the length of server-side input. When a user visits a spoofed website, unauthenticated remote attackers can cause a stack-based buffer overflow in the TCBServiSign, temporarily disrupting its service. | [email protected] | 4.3 | 0.45% | 2024-08-02 | 2026-06-17 |
| CVE-2024-40721 | The specific API in TCBServiSign Windows Version from CHANGING Information Technology does not properly validate server-side input. When a user visits a spoofed website, unauthenticated remote attackers can cause the TCBServiSign to load a DLL from an arbitrary path. | [email protected] | 8.8 | 0.53% | 2024-08-02 | 2026-06-17 |
| CVE-2024-40720 | The specific API in TCBServiSign Windows Version from CHANGING Information Technology does not properly validate server-side input. When a user visits a spoofed website, unauthenticated remote attackers can modify the `HKEY_CURRENT_USER` registry to execute arbitrary commands. | [email protected] | 8.8 | 0.56% | 2024-08-02 | 2026-06-17 |
| CVE-2024-40719 | The encryption strength of the authorization keys in CHANGING Information Technology TCBServiSign Windows Version is insufficient. When a remote attacker tricks a victim into visiting a malicious website, TCBServiSign will treat that website as a legitimate server and interact with it. | [email protected] | 6.5 | 0.18% | 2024-08-02 | 2026-06-17 |