CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
45.1%
**ATTENTION:**Remotely exploitable/low skill level to exploit.
Vendor: Schneider Electric
Equipment: Interactive Graphical SCADA System (IGSS) Software
Vulnerability: DLL Hijacking
Schneider Electric reports that the vulnerability affects the following IGSS HMI desktop application:
An attacker who exploits this vulnerability may be able to remotely execute arbitrary code.
Schneider Electric recommends that users upgrade to Windows 10 to mitigate this vulnerability. Windows 10 enforces a fixed path to the DLL.
More information can be found by visiting Schneider Electricβs security notification number SEVD-2017-090-01 at:
<http://www.schneider-electric.com/en/download/document/SEVD-2017-090-01/>
NCCIC/ICS-CERT recommends that users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
ICS-CERT reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
ICS-CERT also provides a section for control systems security recommended practices on the ICS-CERT web page. 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 in the ICSβCERT Technical Information Paper, ICS-TIP-12-146-01BβTargeted Cyber Intrusion Detection and Mitigation Strategies, that is available for download from the ICS-CERT web site.
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to ICS-CERT for tracking and correlation against other incidents.
No known public exploits specifically target this vulnerability. This vulnerability requires user interaction or social engineering to exploit.
The software will execute a malicious file if it is named the same as a legitimate file and placed in a location that is earlier in the search path.
CVE-2017-6033 has been assigned to this vulnerability. A CVSS v3 base score of 6.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H).
Karn Ganeshen reported this vulnerability.
**Critical Infrastructure Sectors:**Critical Manufacturing, Energy
**Area Deployed:**Worldwide
Company Headquarters Location: France
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-6033
www.schneider-electric.com/en/download/document/SEVD-2017-090-01/
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CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
45.1%