CVE-2023-5768
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1 Medium
AI Score
Confidence
High
0.0005 Low
EPSS
Percentile
17.1%
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.
Affected configurations
CNA Affected
[
{
"defaultStatus": "unaffected",
"product": "RTU500 series",
"vendor": "Hitachi Energy",
"versions": [
{
"status": "affected",
"version": "RTU500 series CMU Firmware version 12.0.1 – 12.0.14"
},
{
"status": "affected",
"version": "RTU500 series CMU Firmware version 12.2.1 – 12.2.11"
},
{
"status": "affected",
"version": "RTU500 series CMU Firmware version 12.4.1 – 12.4.11 "
},
{
"status": "affected",
"version": "RTU500 series CMU Firmware version 12.6.1 – 12.6.9 "
},
{
"status": "affected",
"version": "RTU500 series CMU Firmware version 12.7.1 – 12.7.6"
},
{
"status": "affected",
"version": "RTU500 series CMU Firmware version 13.2.1 – 13.2.6 "
},
{
"status": "affected",
"version": "RTU500 series CMU Firmware version 13.4.1 – 13.4.3 "
}
]
}
]Related
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1 Medium
AI Score
Confidence
High
0.0005 Low
EPSS
Percentile
17.1%