9.1 High
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
8.7 High
AI Score
Confidence
High
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.037 Low
EPSS
Percentile
91.7%
Successful exploitation of these vulnerabilities may allow leakage/tampering of data, cause a denial-of-service condition, or allow a local attacker to execute arbitrary programs.
The following versions of CENTUM (a Distributed Control System) and ProSafe-RS (Safety Instrumented System), are affected:
CVE-2022-27188:
CVE-2022-26034:
CVE-2019-0203, CVE-2018-11782, CVE-2015-0248:
A local attacker could tamper with files generated by the graphic builder, which may allow arbitrary programs to be executed on a computer that has installed standard operation and monitoring function (HIS).
CVE-2022-27188 has been assigned to this vulnerability. A CVSS v3 base score of 6.1 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H).
Improper authentication of the communication protocol provided by the Automation Design (AD) server allows an attacker to use the functions provided by the AD server. This may lead to leakage or tampering of data managed by the AD server.
CVE-2022-26034 has been assigned to this vulnerability. A CVSS v3 base score of 6.4 has been calculated; the CVSS vector string is (AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L).
The AD suite version management function is subjected to malformed packets, which the functions provided by the AD server may stop.
CVE-2019-0203 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:N/I:N/A:H).
The AD suite version management function is subjected to malformed packets, which the functions provided by the AD server may stop.
CVE-2018-11782 has been assigned to this vulnerability. A CVSS v3 base score of 6.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
The AD suite version management function is subjected to malformed packets, which the functions provided by the AD server may stop.
CVE-2015-0248 has been assigned to this vulnerability. A CVSS v3 base score of 5.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).
JPCERT/CC notified CISA of these vulnerabilities.
Yokogawa recommends the following:
Yokogawa also recommends checking the patch software install manual for details before applying patch software as there are some precautions for the following:
Contact Yokogawa support for more mitigation information.
For more information see Yokogawa security advisory report: YSAR-22-0004
CISA recommends users take defensive measures to minimize the risk of exploitation of 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 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-2015-0248
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-11782
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-0203
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-26034
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-27188
contact.yokogawa.com/cs/gw?c-id=000498
cwe.mitre.org/data/definitions/20.html
cwe.mitre.org/data/definitions/287.html
cwe.mitre.org/data/definitions/399.html
cwe.mitre.org/data/definitions/476.html
cwe.mitre.org/data/definitions/78.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
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www.cisa.gov/uscert/ics
www.cisa.gov/uscert/ics
www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
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
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9.1 High
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
8.7 High
AI Score
Confidence
High
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.037 Low
EPSS
Percentile
91.7%