9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
57.7%
Successful exploitation of these vulnerabilities in CAMS server functions can be abused to suppress alarms, read or write files, crash the server, or execute arbitrary code.
Yokogawa reports these vulnerabilities affect the following distributed control system and software products:
Yokogawa reports the following products are not directly affected by the vulnerabilities, but may be indirectly affected by the existence of CENTUM installed on the same PC:
Usage of the CAMS function may determine whether an installation is affected. Please see Yokogawa’s full report (YSAR-22-0001) for details.
If the password for the OS account created when installing the product has not been changed from the default password and the hard-coded credentials (default password) for the account are used, an attacker could access files and shared memory in the system. The product is not affected by this vulnerability if the default password has been properly changed after installation.
CVE-2022-21194 has been assigned to this vulnerability. A CVSS v3 base score of 7.1 has been calculated; the CVSS vector string is (AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H).
If the hard-coded credentials for CAMS server application are used to send a malformed packet to CAMS server, all functions of CAMS server can be abused, including suppressing alarms.
CVE-2022-23402 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:A/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:H).
A malformed packet sent to a CAMS for HIS server may allow an attacker to achieve relative path traversal and then read and write files or execute commands.
CVE-2022-21808 and CVE-2022-22729 have been assigned to these vulnerabilities. A CVSS v3 base score of 7.1 has been calculated; the CVSS vector string is (AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H).
A malformed packet sent to a CAMS for HIS server may exploit an output neutralization vulnerability, allowing an attacker to crash the server or manipulate log files.
CVE-2022-22151, CVE-2022-21177. and CVE-2022-22145 have been assigned to these vulnerabilities. A CVSS v3 base score of 5.9 has been calculated; the CVSS vector string is (AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H).
A local attacker may be able to utilize a named pipe with inappropriate access privileges to execute arbitrary programs.
CVE-2022-22148 has been assigned to this vulnerability. A CVSS v3 base score of 8.6 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H).
A local attacker may be able to utilize a named pipe with inappropriate access privileges to delete arbitrary files.
CVE-2022-22141 has been assigned to this vulnerability. A CVSS v3 base score of 6.6 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H).
CENTUM and Exaopc have a DLL injection vulnerability and a DLL planting vulnerability using the DLL search order vulnerability. See this link for further details on this exploit type.
CVE-2022-23401 has been assigned to this vulnerability. A CVSS v3 base score of 8.3 has been calculated; the CVSS vector string is (AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H).
Jacob Baines from Dragos reported these vulnerabilities to Yokogawa.
Yokogawa recommends updating the following products:
The method of obtaining and updating patch software depends on the support contract of each installation. Users who do not know how to obtain the update and install it should contact their service/sales person.
Please see Yokogawa’s full report (YSAR-22-0001) for update details.
For questions related to this report, please contact Yokogawa security.
Yokogawa also recommends the following countermeasures:
Yokogawa strongly recommends users establish and maintain a full security program. Security program components include patch updates, anti-virus, backup and recovery, zoning, hardening, whitelisting, firewalls, etc.
Yokogawa can assist in setting up and running security programs. For considering the most effective risk mitigation plan, as a starting point, Yokogawa can perform a security risk assessment.
For questions related to this report, please contact Yokogawa.
CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. 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 on cisa.gov. Several recommended 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 on cisa.gov in the Technical Information Paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.
No known public exploits specifically target these vulnerabilities.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-21177
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-21194
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-21808
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-22141
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-22145
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-22148
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-22151
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-22729
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-23401
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-23402
contact.yokogawa.com/cs/gw?c-id=000498
contact.yokogawa.com/cs/gw?c-id=000498
cwe.mitre.org/data/definitions/117.html
cwe.mitre.org/data/definitions/23.html
cwe.mitre.org/data/definitions/264.html
cwe.mitre.org/data/definitions/427.html
cwe.mitre.org/data/definitions/78.html
cwe.mitre.org/data/definitions/798.html
cwe.mitre.org/data/definitions/798.html
msrc-blog.microsoft.com/2018/04/10/triaging-a-dll-planting-vulnerability-2/
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=Yokogawa%20CENTUM%20and%20Exaopc+https://www.cisa.gov/news-events/ics-advisories/icsa-22-083-01
web-material3.yokogawa.com/1/32094/files/YSAR-22-0001-E.pdf
web-material3.yokogawa.com/1/32094/files/YSAR-22-0001-E.pdf
www.cisa.gov/uscert/ics
www.cisa.gov/uscert/ics
www.cisa.gov/uscert/ics/recommended-practices
www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B
www.cisa.gov/uscert/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
www.dhs.gov
www.dhs.gov/foia
www.dhs.gov/performance-financial-reports
www.facebook.com/CISA
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www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H
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www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
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mailto:?subject=Yokogawa%20CENTUM%20and%20Exaopc&body=www.cisa.gov/news-events/ics-advisories/icsa-22-083-01
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
57.7%