CVE-2025-1445: hitachi energy rtu500 Missing Synchronization
Vulnerability summary
CVE-2025-1445 is a high (CVSS 8.7) Missing Synchronization vulnerability in hitachi energy rtu500. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 25.6% of scored vulnerabilities.
Timeline
- 25-03-2025PublishedVulnerability first disclosed.
- 25-03-2025Last modifiedVulnerability information updated.
Description
A vulnerability exists in RTU IEC 61850 client and server functionality that could impact the availability if renegotiation of an open IEC61850 TLS connection takes place in specific timing situations, when IEC61850 communication is active. Precondition is that IEC61850 as client or server are configured using TLS on RTU500 device. It affects the CMU the IEC61850 stack is configured on.
CVSS metrics
4 scores · 2 sources · 2 versions- NVDNIST8.7HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:A/V:X/RE:X/U:X
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.34%
Chance of exploitation in the next 30 days
Percentile
26%
Versus all other CVEs
30-day change
+0.01 pp
From 0.32% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Hitachi energy1 product
- rtu500≥ 13.7.1, ≤ 13.7.4
1 vendor · 1 product