SCADA Vulnerabilities & Exposures (SVE)

CRITIFENCE® SCADA Vulnerabilities and Exposures Database (SVE)

[SVE-538231158] Cambium Networks ePMP

Date Type Platform Author EDB-ID CVE-ID OSVDB-ID Download App SIS Signature
2017-06-14OtherCambium NetworksKarn Ganeshen identified these vulnerabilities. N/ACVE-2017-7918 CVE-2017-7922 N/AN/AN/A

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# Cambium Networks ePMP
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### VULNERABLE VENDOR
Cambium Networks


### VULNERABLE PRODUCT
ePMP



### RESEARCHER
Karn Ganeshen identified these vulnerabilities.



### AFFECTED PRODUCTS

Cambium reports that the vulnerabilities affect the following ePMP Network Access Control products:

ePMP All Models.



### IMPACT

Successful exploitation of these vulnerabilities may allow an attacker to access device configuration as well as make unauthorized changes to the product's configuration.



### VULNERABILITY OVERVIEW

IMPROPER ACCESS CONTROL CWE-284
After a valid user has used SNMP configuration export, an attacker is able to remotely trigger device configuration backups using specific MIBs.
These backups lack proper access control and may allow access to sensitive information and possibly allow for configuration changes.
CVE-2017-7918 has been assigned to this vulnerability.
A CVSS v3 base score of 6.8 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L)


IMPROPER PRIVILEGE MANAGEMENT CWE-269
The privileges for SNMP community strings are not properly restricted, which may allow an attacker to gain access to sensitive information and possibly allow for configuration changes.
CVE-2017-7922 has been assigned to this vulnerability.
A CVSS v3 base score of 7.6 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L)





### BACKGROUND

Critical Infrastructure Sector: Information Technology
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Rolling Meadows, Illinois




### MITIGATION

Cambium recommends that users with the affected products should update to firmware version 3.4-RC7 or newer. This update can be found by logging in at the following location:

https://support.cambiumnetworks.com/login


Cambium also recommends that users edit default SNMP configuration. Affected models come set with the default values of "public" and "private" for RO (read only) and RW (read write) community strings. Cambium recommends changing this to a random string consisting of eight or more characters in length, including both upper and lower case letters and numbers for variability.