CVE-2021-35533

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).

CVSS v3 7.5 HIGH
CVSS v2.0 7.1 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.1^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:C

Exploitability : 8.6 / Impact : 6.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://search.abb.com/library/Download.aspx?DocumentID=8DBD000063&LanguageCode=en&DocumentPartId=&Action=Launch	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:o:hitachienergy:rtu500_firmware:12.0:::::::*
	cpe:2.3:o:hitachienergy:rtu500_firmware:12.2:::::::*
	cpe:2.3:o:hitachienergy:rtu500_firmware:12.4:::::::*

cpe:2.3:h:hitachienergy:rtu500:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-11-26 17:15

Updated : 2024-02-28 18:48

NVD link : CVE-2021-35533

Mitre link : CVE-2021-35533

CVE.ORG link : CVE-2021-35533

JSON object : View

Products Affected

hitachienergy

rtu500
rtu500_firmware

CWE

CWE-20

Improper Input Validation

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