CVE-2025-1445CWE-820

A vulnerability exists in RTU IEC 61850 client and server functionality that could impact the availability if renegotiation of an open IEC61850 TLS connection…

High · published March 25, 2025

CVSS v4.0
8.7
EPSS
0%
Percentile
25.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/R:A
EPSS
0.00335 · 25.7th percentile
Weakness
CWE-820 · Missing Synchronization
Published
2025-03-25T12:38Z
EPSS history
Timeline
  • 25 MAR 12:38Z
    A vulnerability exists in RTU IEC 61850 client and server functionality that could impact the availability if renegotiation of an open IEC61850 TLS connection…
    cvelistv5