10 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
10 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
0.008 Low
EPSS
Percentile
81.3%
This advisory was originally posted to the US-CERT secure Portal library on September 8, 2016, and is being released to the NCCIC/ICS-CERT web site.
GE has identified an improper authorization vulnerability in the GE Bently Nevada 3500/22M monitoring system. GE has produced a new firmware version to mitigate this vulnerability in the USB version of the GE Bently Nevada 3500/22M monitoring system.
This vulnerability could be exploited remotely.
The following GE Bently Nevada 3500/22M firmware versions are affected:
Successful exploitation of the identified vulnerability may allow a remote attacker to gain unauthorized access to the affected device with elevated privileges.
Impact to individual organizations depends on many factors that are unique to each organization. ICS-CERT recommends that organizations evaluate the impact of this vulnerability based on their operational environment, architecture, and product implementation.
GE Bently Nevada is a wholly owned subsidiary of GE, a US-based company that maintains offices in several countries around the world.
The affected product, GE Bently Nevada 3500/22M, is a vibration monitoring system. According to GE, the GE Bently Nevada 3500/22M is deployed across several sectors including Chemical and Energy. GE estimates that these products are used worldwide.
Several open ports have been identified on the affected device, which allow unauthorized access to the device with elevated privileges.
CVE-2016-5788NVD, http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-5788, NIST uses this advisory to create the CVE web site report. This web site will be active sometime after publication of this advisory. has been assigned to this vulnerability. A CVSS v3 base score of 10.0 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).CVSS Calculator, https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H, web site last accessed October 06, 2016.
This vulnerability could be exploited remotely.
No known public exploits specifically target this vulnerability.
An attacker with a low skill would be able to exploit this vulnerability.
GE has released a new firmware version for the GE Bently Nevada 3500/22M TDI USB monitoring system, Version 5.0. GEβs new firmware can only be applied to the USB version of the GE Bently Nevada 3500/22M monitoring system. Users registered with a GE Bently Nevada Technical Support Agreement can download Version 5.0 and access GEβs Technical Information Letter (TIL-149700250) detailing further mitigation strategies at the following URL with a valid account:
<http://www.bntechsupport.com>
GE recommends that users using the serial version of the GE Bently Nevada 3500/22M upgrade the affected device.
Users who are concerned about the security of their GE Bently Nevada 3500 System should:
ICS-CERT recommends that users take defensive measures to minimize the risk of exploitation of these vulnerabilities. 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 at_: http://ics-cert.us-cert.gov/content/recommended-practices. 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 (http://ics-cert.us-cert.gov/).
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.
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10 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
10 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
0.008 Low
EPSS
Percentile
81.3%