7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.9 High
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
10.5%
Successful exploitation of this vulnerability could allow an attacker access to sensitive information.
The following versions of System Data Manager are affected:
The application does not encrypt backup files. A local operating system user can modify backup files, which may allow an attacker to overwrite system configuration files and gain privileges.
CVE-2021-35526 has been assigned to this vulnerability. A CVSS v3 base score of 6.3 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L).
Hitachi ABB Power Grids reported this vulnerability to CISA.
Hitachi ABB Power Grids recommends users apply update Version 1.2 FP2 HF6 (Build Nr. 1.2.14002.257) or newer at the earliest convenience. Users can download the latest SDM600 version from the product website. After successful upgrade, Hitachi ABB Power Grids recommends moving previously created vulnerable backups to a secure location to avoid unauthorized access.
Hitachi ABB Power Grids also recommends the following general security mitigations:
For additional information, see Hitachi ABB Power Grids security advisory.
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. 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 us-cert.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 us-cert.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 this vulnerability. This vulnerability is not exploitable remotely.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-35526
cwe.mitre.org/data/definitions/312.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
search.abb.com/library/Download.aspx?utm_campaign=2021.08_5051_Cybersecurity%20Advisory%3A%20SDM600%20Product&utm_content=2021.08_5051_Cybersecurity%20Advisory%3A%20SDM600%20Product&utm_medium=email&utm_source=Eloqua&DocumentID=9AKK107992A4700&LanguageCode=en&DocumentPartId=&Action=Launch&elqTrackId=ba79ef3d8aec4a4fad6c0cbe06d33d6c&elq=dda86f9e211e4af9bcc04f0654e77da3&elqaid=3638&elqat=1&elqCampaignId=3021
twitter.com/CISAgov
twitter.com/intent/tweet?text=Hitachi%20ABB%20Power%20Grids%20System%20Data%20Manager+https://www.cisa.gov/news-events/ics-advisories/icsa-21-250-02
us-cert.cisa.gov/ics
us-cert.cisa.gov/ics
us-cert.cisa.gov/ics/recommended-practices
us-cert.cisa.gov/ics/tips/ICS-TIP-12-146-01B
us-cert.cisa.gov/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
www.facebook.com/sharer/sharer.php?u=https://www.cisa.gov/news-events/ics-advisories/icsa-21-250-02&title=Hitachi%20ABB%20Power%20Grids%20System%20Data%20Manager
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
www.hitachiabb-powergrids.com/ch/en/offering/product-and-system/scada/microscada-x/sdm600
www.instagram.com/cisagov
www.linkedin.com/company/cybersecurity-and-infrastructure-security-agency
www.linkedin.com/sharing/share-offsite/?url=https://www.cisa.gov/news-events/ics-advisories/icsa-21-250-02
www.oig.dhs.gov/
www.surveymonkey.com/r/CISA-cyber-survey?product=https://www.cisa.gov/news-events/ics-advisories/icsa-21-250-02
www.usa.gov/
www.whitehouse.gov/
www.youtube.com/@cisagov
mailto:?subject=Hitachi%20ABB%20Power%20Grids%20System%20Data%20Manager&body=www.cisa.gov/news-events/ics-advisories/icsa-21-250-02
7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.9 High
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
10.5%