CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
35.2%
Successful exploitation of these vulnerabilities could allow an attacker to execute code in the context of the application permissions or escalate privileges.
Honeywell reports these vulnerabilities affect the following SoftMaster desktop application, a PLC software application:
If an attacker manages to trick a valid user into loading a malicious DLL, the attacker may be able to achieve code execution in the applicationβs context and permissions.
CVE-2022-2333 has been assigned to this vulnerability. A CVSS v3 base score of 8.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
A local unprivileged attacker may escalate to administrator privileges, due to insecure permission assignment.
CVE-2022-2332 has been assigned to this vulnerability. A CVSS v3 base score of 6.2 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).
Noam Moshe of Claroty Research reported these vulnerabilities to Honeywell.
Honeywell has released firmware update packages for the affected products on their website.
Honeywell recommends users with potentially affected products take the following steps to protect themselves:
More information can be found in the Honeywell Security Notification SN2022-08-31 01 SoftMaster-R4.7
CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. CISA also recommends users take the following measures to protect themselves from social engineering attacks:
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.
No known public exploits specifically target these vulnerabilities. These vulnerabilities are exploitable remotely. These vulnerabilities have a low attack complexity.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-2332
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-2333
cisa.gov/ics
cisa.gov/ics
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cwe.mitre.org/data/definitions/427.html
cwe.mitre.org/data/definitions/732.html
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us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B
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www.cisa.gov/uscert/sites/default/files/publications/emailscams_0905.pdf
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CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
35.2%