Description
IEC 60870-5-104 used in bidirectional mode is vulnerable
for a NULL pointer dereferencing, if a specially crafted
sequence of messages is sent for a certain time, causing
Denial of Service impact.
Product is only affected if IEC 60870-5-104 functionality in
bidirectional mode (BCI) is configured.
Published: 2026-05-26
Score: 6.9 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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History

Tue, 26 May 2026 13:45:00 +0000

Type Values Removed Values Added
Description IEC 60870-5-104 used in bidirectional mode is vulnerable for a NULL pointer dereferencing, if a specially crafted sequence of messages is sent for a certain time, causing Denial of Service impact. Product is only affected if IEC 60870-5-104 functionality in bidirectional mode (BCI) is configured.
Weaknesses CWE-476
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: Hitachi Energy

Published:

Updated: 2026-05-26T11:54:09.962Z

Reserved: 2026-05-13T13:42:53.588Z

Link: CVE-2026-8479

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-26T14:16:41.247

Modified: 2026-05-26T14:16:41.247

Link: CVE-2026-8479

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses