7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.005 Low
EPSS
Percentile
77.0%
Successful exploitation of this vulnerability could cause products using the IEC 61850 MMS-server communication stack to stop accepting new MMS-client connections.
The following versions Hitachi Energy equipment using the IEC 61850 communication stack are affected:
3.2.1 IMPROPER RESOURCE SHUTDOWN OR RELEASE CWE-404
An attacker could exploit the IEC 61850 MMS-Server communication stack by forcing the communication stack to stop accepting new MMS-client connections.
CVE-2022-3353 has been assigned to this vulnerability. A CVSS v3.1 base score of 5.9 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).
Hitachi Energy reported this vulnerability to CISA.
Hitachi Energy provided updates for the following products. Contact Hitachi Energy for update information.
For all versions, Hitachi Energy recommends that users apply these general mitigation factors:
For more information, see the Hitachi Energy advisories for the corresponding affected products:
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices on the ICS webpage at cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.
No known public exploits specifically target this vulnerability. This vulnerability has a high attack complexity.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-3353
cisa.gov/ics
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cwe.mitre.org/data/definitions/404.html
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