CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
Percentile
56.3%
FX5U© CPU and FX5UJ CPU modules
Severity level
Severity level: High
Impact: Possibility to access file 00000001.SYP with file password mechanism enabled in the FX5U© CPU and FX5UJ CPU modules
Access Vector: Remote
CVSS v3.0
Base Score: 7,4
Vector: (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)
CVE-2022-25158
Vulnerability description:
The vulnerability of the FX5U© CPU and FX5UJ CPU modules of Mitsubishi Electric FA products is associated with the storage of sensitive information in open form. Exploiting the vulnerability may allow an attacker, provided that the file password mechanism is enabled, to gain access to file 00000001.SYP firmware PLC.
Advisory status
15.12.2021 - Vendor gets vulnerability details
31.03.2022 - Security advisory publication date (https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-031_en.pdf )
Credits
The vulnerability was detected by Anton Dorfman and Iliya Rogachev (Positive Technologies)
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
Percentile
56.3%