01 Record
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
MediumPUBLISHEDCNA: Hitachi Energy
CNA base score5.9 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.66% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 51.4% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-12-19 14:53Z2 YR AGO
- Last updated
- 2024-09-25 08:43Z2 YR AGO
- Reserved
- 2023-12-12
- Assigning CNA
- Hitachi Energy
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.9)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
- Data version
- 5.1
- Document digest
- ac7021fd4d3ad7a3680b18193c011eaa417eb7297655564d7fe35a99f575b680
05 Affected products
VendorProductVersionsPlatforms
Hitachi EnergyRTU500 series CMU Firmware12.0.1 to 12.0.14, 12.2.1 to 12.2.11, 12.4.1 to 12.4.11, 12.6.1 to 12.6.9, 12.7.1 to 12.7.6, 13.2.1 to 13.2.6, 13.4.1 to 13.4.3, 13.5.1—
06 References
- publisher.hitachienergy.comhttps://publisher.hitachienergy.com/preview?DocumentId=8DBD000184&languageCode=en&Preview=true