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CVE-2023-6711

HIGHCVSS 7.5/10EPSS 0.67%

Last modified

CVE-2023-6711 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
0.67%

47.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
HitachienergyRtu500 Firmware>= 12.0.1.0, < 12.0.15.0
HitachienergyRtu500 Firmware>= 12.2.1.0, < 12.2.12.0
HitachienergyRtu500 Firmware>= 12.4.1.0, < 12.4.12.0
HitachienergyRtu500 Firmware>= 12.6.1.0, < 12.6.10.0
HitachienergyRtu500 Firmware>= 12.7.1.0, < 12.7.7.0
HitachienergyRtu500 Firmware>= 13.2.1.0, < 13.2.7.0
HitachienergyRtu500 Firmware>= 13.4.1.0, < 13.4.4.0
HitachienergyRtu500 Firmware13.5.1.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-6711?
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.
How severe is CVE-2023-6711?
CVE-2023-6711 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.
How do I fix CVE-2023-6711?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-6711?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST