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.
Published 2023-12-19 15:15:09
Updated 2024-09-25 09:15:03
View at NVD,   CVE.org
Vulnerability category: Overflow

Products affected by CVE-2023-6711

Exploit prediction scoring system (EPSS) score for CVE-2023-6711

0.08%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 36 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-6711

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.9
MEDIUM CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
2.2
3.6
Hitachi Energy
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
NIST

CWE ids for CVE-2023-6711

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: cybersecurity@hitachienergy.com (Secondary)
  • The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.
    Assigned by:
    • cybersecurity@hitachienergy.com (Secondary)
    • nvd@nist.gov (Primary)

References for CVE-2023-6711

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