7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
0.001 Low
EPSS
Percentile
41.9%
Successful exploitation of this vulnerability could allow an attacker to obtain plaintext passwords by sniffing packets containing encrypted passwords and decrypting the encrypted passwords.
The following Mitsubishi Electric products are affected when either of the following cases apply:
3.2.1 WEAK ENCODING FOR PASSWORD CWE-261
Information disclosure vulnerability exists in the Data Transfer Security function on GT Designer3, GOT2000 Series, GOT SIMPLE Series and GT SoftGOT2000. This vulnerability allows an attacker to obtain plaintext passwords by sniffing packets containing encrypted passwords and decrypting the encrypted passwords.
CVE-2023-0525 has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
JINYOUNG KIM, JEONGHOON BAE, YIJOON JUNG, and HYEOKJONG YUN of “ot vulnerability” reported this vulnerability to Mitsubishi Electric.
Mitsubishi Electric recommends updating to the following mitigated version to minimize the risk of exploiting this vulnerability:
Mitsubishi Electric recommends taking applying the following mitigations to minimize the risk of exploiting this vulnerability:
For update instructions and additional information, refer to Mitsubishi Electric’s security bulletin.
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices on the ICS webpage at cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.
No known public exploits specifically target this vulnerability.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-0525
cisa.gov/ics
cisa.gov/ics
cwe.mitre.org/data/definitions/261.html
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us-cert.cisa.gov/ics/Recommended-Practices
us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B
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