CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS
Percentile
92.3%
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected product.
The following versions of Hitachi Energy’s MicroSCADA Pro/X SYS600 products are affected:
3.2.1 Incorrect Authorization CWE-863
The ActiveBar ActiveX control distributed in ActBar.ocx 1.0.3.8 in SYS600 product does not properly restrict the SetLayoutData method, which could allow attackers to execute arbitrary code via a crafted data argument.
CVE-2011-1207 has been assigned to this vulnerability. A CVSS v3 base score of 6.7 has been calculated; the CVSS vector string is (AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H).
Hitachi Energy reported this vulnerability to CISA.
Hitachi Energy has released the following mitigations/fixes:
Hitachi Energy recommends general mitigation factors and workarounds:
Hitachi Energy recommends following the cybersecurity deployment guideline as follows: 1MRK511518 MicroSCADA X Cyber Security Deployment Guideline.
For more information, see Hitachi Energy cybersecurity advisory 8DBD000142.
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 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-12-146-01B–Targeted 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.
CISA also recommends users take the following measures to protect themselves from social engineering attacks:
This vulnerability is not exploitable remotely. This vulnerability has a high attack complexity.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-1207
cisa.gov/ics
cisa.gov/ics
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cwe.mitre.org/data/definitions/863.html
cwe.mitre.org/data/definitions/863.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/alerts/ICS-ALERT-10-301-01
www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B
www.cisa.gov/uscert/ncas/tips/ST04-014
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