8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
0.002 Low
EPSS
Percentile
59.5%
Successful exploitation of these vulnerabilities could allow attackers to perform unintended operations through clickjacking (an attack that tricks users into clicking an invisible or disguised webpage element) or allow attackers to disclose sensitive information from their browsers or impersonate legitimate users by abusing inappropriate HTML attributes.
Mitsubishi Electric reports these vulnerabilities affect the GOT Mobile Function on the following products:
3.2.1 AUTHENTICATION BYPASS BY SPOOFING CWE-290
This vulnerability could allow an attacker to impersonate legitimate users by abusing inappropriate HTML attributes or cause usersβ browsers to disclose sensitive information.
CVE-2022-40269 has been assigned to this vulnerability. A CVSS v3 base score of 6.8 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N).
3.2.2 IMPROPER RESTRICTION OF RENDERED UI LAYERS OR FRAMES CWE-1021
This vulnerability could allow an attacker to lead legitimate users to perform unintended operations through clickjacking.
CVE-2022-40268 has been assigned to this vulnerability. A CVSS v3 base score of 6.1 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N).
Mitsubishi Electric reported these vulnerabilities to CISA.
Mitsubishi Electric recommends users update to the latest software versions. Mitsubishi Electricβs security advisory contains step-by-step update instructions:
Mitsubishi Electric recommends users take the following mitigations to minimize the exploitation risk of these vulnerabilities:
Users should refer to Mitsubishi Electricβs security advisory for further information.
CISA recommends users take defensive measures to minimize the risk of exploitation these vulnerabilities. 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-12-146-01BβTargeted 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.
CISA also recommends users take the following measures to protect themselves from social engineering attacks:
No known public exploits specifically target these vulnerabilities. These vulnerabilities are exploitable remotely. These vulnerabilities have a high attack complexity.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-40268
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-40269
cisa.gov/ics
cisa.gov/ics
cwe.mitre.org/data/definitions/1021.html
cwe.mitre.org/data/definitions/290.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
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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
www.cisa.gov/uscert/ncas/tips/ST04-014
www.cisa.gov/uscert/sites/default/files/publications/emailscams_0905.pdf
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www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-021_en.pdf
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