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I. Basic Information for CVE-2021-35533
Vulnerability Information

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Vulnerability Title
Specially Crafted IEC 60870-5-104 Packet Vulnerability in RTU500 series
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper Input Validation vulnerability in the APDU parser in the Bidirectional Communication Interface (BCI) IEC 60870-5-104 function of Hitachi Energy RTU500 series allows an attacker to cause the receiving RTU500 CMU of which the BCI is enabled to reboot when receiving a specially crafted message. By default, BCI IEC 60870-5-104 function is disabled (not configured). This issue affects: Hitachi Energy RTU500 series CMU Firmware version 12.0.* (all versions); CMU Firmware version 12.2.* (all versions); CMU Firmware version 12.4.* (all versions).
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Hitachi Energy Relion 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hitachi Energy Relion是瑞士日立能源(Hitachi Energy)公司的用于保护,控制,测量和监视为电力系统。 Hitachi Energy RTU500 series 存在安全漏洞,该漏洞源于 IEC 60870-5-104 功能中的 APDU 解析器中存在不正确的输入验证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
Hitachi EnergyRTU500 series CMU Firmware version 12.0 ~ 12.0.* -
II. Public POCs for CVE-2021-35533
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III. Intelligence Information for CVE-2021-35533
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