| Название | H3C NX15 V100R017 Incorrect Access Control |
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| Описание | H3C Magic NX15 firmware NX15V100R017 contains an improper authentication vulnerability in the administrator password modification endpoint. The POST /api/login/modify endpoint is reachable before authentication and is forwarded to the esps.system changepasswd backend without validating the HTTP_AUTHENTICATION session header.
A remote attacker who can access the web management interface can send an unauthenticated request to POST /api/login/modify and change the administrator password to an attacker-controlled value. After that, the attacker can log in with the new password, obtain a valid administrator session, and access protected management APIs.
The issue was verified on H3C NX15 R017. A request to POST /api/login/modify with {"newPass":"TmpPass123!"} returned {"code":0}, and a subsequent login to POST /api/login/auth with the new password returned a valid session token. Successful exploitation may lead to full device takeover.
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| Источник | ⚠️ https://github.com/coconut652-7/IOT_Vul_Public/tree/main/H3C/NX15R017/pre_auth_pwd_change |
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| Пользователь | coconut (UID 98382) |
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| Представление | 26.05.2026 04:07 (2 месяцы назад) |
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| Модерация | 11.07.2026 11:56 (2 months later) |
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| Статус | принято |
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| Запись VulDB | 377785 [H3C NX15 V100R017 Administrator Password Modification Endpoint /api/login/modify change_passwd newPass эскалация привилегий] |
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| Баллы | 20 |
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