CVE-2017-5261 : In versions 4.3.2-R4 and prior of Cambium Networks cnPilot firmware, the 'ping'

In versions 4.3.2-R4 and prior of Cambium Networks cnPilot firmware, the 'ping' and 'traceroute' functions of the web administrative console expose a file path traversal vulnerability, accessible to all authenticated users.

Published 2017-12-20 22:29:01

Updated 2019-10-09 23:28:17

Source Rapid7, Inc.

View at NVD, CVE.org

Vulnerability category: Directory traversal

Products affected by CVE-2017-5261

Cambiumnetworks » Cnpilot R190v Firmware
Versions up to, including, (<=) 4.3.2-r4
cpe:2.3:o:cambiumnetworks:cnpilot_r190v_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Cambiumnetworks » Cnpilot R190v » Version: N/A
Cambiumnetworks » Cnpilot E410 Firmware
Versions up to, including, (<=) 4.3.2-r4
cpe:2.3:o:cambiumnetworks:cnpilot_e410_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Cambiumnetworks » Cnpilot E410 » Version: N/A
Cambiumnetworks » Cnpilot R190n Firmware
Versions up to, including, (<=) 4.3.2-r4
cpe:2.3:o:cambiumnetworks:cnpilot_r190n_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Cambiumnetworks » Cnpilot R190n » Version: N/A
Cambiumnetworks » Cnpilot E400 Firmware
Versions up to, including, (<=) 4.3.2-r4
cpe:2.3:o:cambiumnetworks:cnpilot_e400_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Cambiumnetworks » Cnpilot E400 » Version: N/A
Cambiumnetworks » Cnpilot E600 Firmware
Versions up to, including, (<=) 4.3.2-r4
cpe:2.3:o:cambiumnetworks:cnpilot_e600_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Cambiumnetworks » Cnpilot E600 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2017-5261

EPSS FAQ

2.03%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 88 %

Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2017-5261

Cambium cnPilot r200/r201 File Path Traversal

First seen: 2020-04-26

auxiliary/admin/http/cnpilot_r_fpt

This module exploits a File Path Traversal vulnerability in Cambium cnPilot r200/r201 to read arbitrary files off the file system. Affected versions - 4.3.3-R4 and prior. Authors: - Karn Ganeshen <KarnGaneshen@gmail.com>

More information

CVSS scores for CVE-2017-5261

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.0	MEDIUM	AV:N/AC:L/Au:S/C:P/I:N/A:N	8.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
8.8	HIGH	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2017-5261

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Assigned by: nvd@nist.gov (Primary)
CWE-472 External Control of Assumed-Immutable Web Parameter

The web application does not sufficiently verify inputs that are assumed to be immutable but are actually externally controllable, such as hidden form fields.

Assigned by: cve@rapid7.con (Secondary)

References for CVE-2017-5261

https://blog.rapid7.com/2017/12/19/r7-2017-25-cambium-epmp-and-cnpilot-multiple-vulnerabilities/

R7-2017-25: Cambium ePMP and cnPilot Multiple Vulnerabilities
Third Party Advisory

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