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CVE-2023-5768

MEDIUM
Published 2023-12-04T14:33:47.898Z
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CVSS Score

V3.1
5.9
/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.312
Higher than 31.2% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Description

A vulnerability exists in the HCI IEC 60870-5-104 that affects the RTU500 series product versions listed below.
Incomplete or wrong received APDU frame layout may
cause blocking on link layer. Error reason was an endless blocking when reading incoming frames on link layer
with wrong length information of APDU or delayed reception
of data octets.

Only communication link of affected HCI IEC 60870-5-104
is blocked. If attack sequence stops the communication to
the previously attacked link gets normal again.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Hitachi Energy

RTU500 series

Affected Versions:

RTU500 series CMU Firmware version 12.0.1 – 12.0.14 RTU500 series CMU Firmware version 12.2.1 – 12.2.11 RTU500 series CMU Firmware version 12.4.1 – 12.4.11 RTU500 series CMU Firmware version 12.6.1 – 12.6.9 RTU500 series CMU Firmware version 12.7.1 – 12.7.6 RTU500 series CMU Firmware version 13.2.1 – 13.2.6 RTU500 series CMU Firmware version 13.4.1 – 13.4.3

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-gv34-7cg2-7vfg

Advisory Details

A vulnerability exists in the HCI IEC 60870-5-104 that affects the RTU500 series product versions listed below. Incomplete or wrong received APDU frame layout may cause blocking on link layer. Error reason was an endless blocking when reading incoming frames on link layer with wrong length information of APDU or delayed reception of data octets. Only communication link of affected HCI IEC 60870-5-104 is blocked. If attack sequence stops the communication to the previously attacked link gets normal again.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-5768
WEB https://publisher.hitachienergy.com/preview?DocumentId=8DBD000176&languageCode=en&Preview=true

Advisory provided by GitHub Security Advisory Database. Published: December 4, 2023, Modified: December 4, 2023

References

https://publisher.hitachienergy.com/preview?DocumentId=8DBD000176&languageCode=en&Preview=true
Published: 2023-12-04T14:33:47.898Z
Last Modified: 2024-08-02T08:07:32.849Z
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