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
EPSS
Percentile
50.6%
This updated advisory is a follow-up to the original advisory titled ICSA-22-244-01 Delta Electronics DOPSoft that was published September 01, 2022, on the ICS webpage on cisa.gov/ICS.
Successful exploitation of this vulnerability could allow an attacker to gain sensitive information.
The following versions of DOPSoft, a software supporting the DOP-100 series HMI screens, are affected:
Two out-of-bounds read conditions may occur due to the affected product not properly sanitizing input while processing specific project files, which may allow unauthorized information disclosure.
CVE-2022-2966 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N).
Natnael Samson (@NattiSamson) working with Trend Microβs Zero Day Initiative reported this vulnerability to CISA.
--------- Begin Update A part 1 of 1 ---------
Delta Electronics recommends users either update to DOPSoft v4.00.16 or later or migrate to DIAScreen in DIAStudio v1.1.2 or later.
--------- End Update A part 1 of 1 ---------
Delta Electronics recommends users to migrate to DIAScreen in DIAStudio v1.1.2 or later.
CISA 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 this vulnerability. This vulnerability is not exploitable remotely.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-2966
cisa.gov/ics
cisa.gov/ics
cisasurvey.gov1.qualtrics.com/jfe/form/SV_9n4TtB8uttUPaM6?product=https://www.cisa.gov/news-events/ics-advisories/icsa-22-244-01
cwe.mitre.org/data/definitions/125.html
diastudio.deltaww.com/home/Specification?Type=4
diastudio.deltaww.com/home/Specification?Type=4
downloadcenter.deltaww.com/en-US/DownloadCenter?v=1&q=dopsoft&sort_expr=cdate&sort_dir=DESC
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
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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
www.cisa.gov/uscert/ncas/tips/ST04-014
www.cisa.gov/uscert/sites/default/files/publications/emailscams_0905.pdf
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www.dhs.gov/foia
www.dhs.gov/performance-financial-reports
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www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
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