CVE Tools
Sign in

CVE-2023-5768

Published: Dec 4, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-79
NVD MITRE
5.9CVSSMEDIUM
EPSS Score
0.4%
Top 67.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-79

Affected Products

rtu520 firmwarehitachienergyICS / OT / IoT
rtu530 firmwarehitachienergyICS / OT / IoT
rtu540 firmwarehitachienergyICS / OT / IoT
rtu560 firmwarehitachienergyICS / OT / IoT
RTU500 series CMUHitachi, Ltd.ICS / OT / IoT
hitachienergycommercialCHICS / OT / IoTaka hitachi energy, hitachi energy ltd
hitachi, ltd.commercialJPICS / OT / IoT
and 1 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://publisher.hitachienergy.com/preview?DocumentId=8DBD000176&languageCode=en&Preview=true
publisher.hitachienergy.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-128-02.json
raw.githubusercontent.com
https://www.cisa.gov/news-events/ics-advisories/icsa-25-128-02
cisa.gov
and 10 more references View all →

Timeline

Published
Dec 4, 2023
Last Updated
Nov 21, 2024

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2023-5768 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows