CVE-2022-29922 : Vulnerability Insights and Analysis
Discover the impact of CVE-2022-29922, an Improper Input Validation vulnerability in Hitachi Energy's MicroSCADA X SYS600 and MicroSCADA Pro SYS600 systems, leading to denial-of-service risks. Learn about mitigation steps and necessary updates.
A vulnerability exists in the handling of a specially crafted IEC 61850 packet with a valid data item but with incorrect data type in the IEC 61850 OPC Server part of the Hitachi Energy MicroSCADA X SYS600 and MicroSCADA Pro SYS600, leading to a denial-of-service risk.
Understanding CVE-2022-29922
This CVE discloses an Improper Input Validation vulnerability in the handling of specific data packets, impacting the Hitachi Energy MicroSCADA X SYS600 and MicroSCADA Pro SYS600 systems.
What is CVE-2022-29922?
The vulnerability involves improperly validating input data within IEC 61850 packets, potentially triggering a denial-of-service threat on the IEC 61850 OPC Server present in SYS600 products.
The Impact of CVE-2022-29922
With a CVSS base score of 7.5, classified as high severity, this vulnerability poses a significant risk due to its ability to cause a denial-of-service on affected systems with the specified versions.
Technical Details of CVE-2022-29922
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The vulnerability stems from mishandling specially crafted IEC 61850 packets with valid data items but incorrect data types, potentially disrupting the IEC 61850 OPC Server in the HITACHI Energy MicroSCADA X SYS600 and MicroSCADA Pro SYS600.
Affected Systems and Versions
Hitachi Energy MicroSCADA Pro SYS600 versions earlier than 9.4 FP2 Hotfix 4 are affected, while MicroSCADA X SYS600 versions 10 to 10.3.1 are vulnerable to this issue.
Exploitation Mechanism
Adversaries can exploit this vulnerability by sending malicious IEC 61850 packets with incorrect data types to the affected OPC Server, leading to denial-of-service conditions.
Mitigation and Prevention
To safeguard systems from CVE-2022-29922, the following steps are recommended:
Immediate Steps to Take
Apply general mitigation measures as outlined in the advisory released to address this vulnerability.
Long-Term Security Practices
Ensure regular security assessments, network monitoring, and timely updates to mitigate security risks effectively.
Patching and Updates
For remediation, users must update Hitachi Energy's SYS600 to version 10.4 to resolve the vulnerability. For MicroSCADA Pro SYS600, an upgrade to at least version 10.4 is advised, while MicroSCADA X SYS600 should be updated to version 10.4.