vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2023-6711

HIGH
7.5
CVSS Score
Published: December 19, 2023 at 02:53 PM UTC
Updated: June 17, 2026 at 06:51 AM UTC
1 product affected across 1 vendorRTU500

Using RTU500 series CMU Firmware by Hitachi Energy?

Get instant alerts when new vulnerabilities affect RTU500 series CMU Firmware - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH7.5
Exploit prediction
EPSS 0.7%

Description

Vulnerability exists in SCI IEC 60870-5-104 and HCI IEC 60870-5-104 that affects the RTU500 series product versions listed below. Specially crafted messages sent to the mentioned components are not validated properly and can result in buffer overflow and as final consequence to a reboot of an RTU500 CMU.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

RTU500· Hitachi Energy
95%
12.0.1 ≤ v ≤ 12.0.1412.0.1.0 ≤ v < 12.0.15.012.2.1 ≤ v ≤ 12.2.1112.2.1.0 ≤ v < 12.2.12.012.4.1 ≤ v ≤ 12.4.1112.4.1.0 ≤ v < 12.4.12.012.6.1 ≤ v ≤ 12.6.912.6.1.0 ≤ v < 12.6.10.012.7.1 ≤ v ≤ 12.7.612.7.1.0 ≤ v < 12.7.7.013.2.1 ≤ v ≤ 13.2.613.2.1.0 ≤ v < 13.2.7.013.4.1 ≤ v ≤ 13.4.313.4.1.0 ≤ v < 13.4.4.012.0.112.2.112.4.112.6.112.7.113.2.113.4.113.5.113.5.1.0
Affected range stops below 12.0.15.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.2.12.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.4.12.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.6.10.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.7.7.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.2.7.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.4.4.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://publisher.hitachienergy.com/preview?DocumentId=8DBD000184&languageCode=en&Preview=true

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card