CVE intelligence and bounded remediation

CVE-2017-7918 — An Improper Access Control issue was discovered in Cambium Networks ePMP

Medium CVSS 6.8

An Improper Access Control issue was discovered in Cambium Networks ePMP. 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.

Severity
Medium
CVSS
6.8 (3.0)
Published
2017-06-21
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-284, CWE-269

Affected products

  • cambium_networks / epmp_1000_firmware
  • cambium_networks / epmp_elevate_firmware
  • cambium_networks / epmp_2000_firmware
  • cambium_networks / epmp_1000_hotspot_firmware

Matched remediation archetype

Privilege escalation and unsafe privilege management

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Check exposure

  • Map service accounts, operating-system identities, roles, capabilities, impersonation, set-user transitions, and administrative helper paths.
  • Determine whether untrusted users or lower-privilege processes can reach the affected transition or modify inputs it trusts.
  • Review file, socket, registry, device, job, container, and cloud-role permissions used before and after privilege changes.

Remediate safely

  • Apply the supported fix and redesign privileged operations as a minimal, authenticated, allowlisted interface.
  • Drop privileges before processing untrusted input, verify the drop succeeds, and remove unnecessary roles, capabilities, and write permissions.
  • Validate ownership and permissions at time of use and add explicit lower-to-higher privilege boundary tests.

Authoritative sources

Complete CVE record and remediation plan

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