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CVE-2017-7915: An Improper Restriction of Excessive Authentication Attempts issue was discovered in Moxa OnCell G3110-HSPA…

CVE-2017-7915 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists 6 affected products, including Moxa Oncell G3110 Hspa Firmware. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

An Improper Restriction of Excessive Authentication Attempts issue was discovered in Moxa OnCell G3110-HSPA Version 1.3 build 15082117 and previous versions, OnCell G3110-HSDPA Version 1.2 Build 09123015 and previous versions, OnCell G3150-HSDPA Version 1.4 Build 11051315 and previous versions, OnCell 5104-HSDPA, OnCell 5104-HSPA, and OnCell 5004-HSPA. An attacker can freely use brute force to determine parameters needed to bypass authentication.

Severity breakdown

CVSS v3.0 9.8: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  • Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
  • Attack complexity: Low. No special conditions; the attack can be repeated reliably.
  • Privileges required: None. No account or prior access is needed.
  • User interaction: None. No action from any user is needed.
  • Scope: Unchanged. Impact stays within the vulnerable component.
  • Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
  • Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
  • Availability impact: High. Total loss of availability; the component can be shut down.

Underlying weakness

CWE-307: Improper Restriction of Excessive Authentication Attempts

The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.

Affected products

  • Moxa Oncell G3110 Hspa Firmware: up to and including 1.3
  • Moxa Oncell G3110 Hsdpa Firmware: up to and including 1.2
  • Moxa Oncell G3150 Hsdpa Firmware: up to and including 1.4
  • Moxa Oncell 5104 Hsdpa Firmware: up to and including -
  • Moxa Oncell 5104 Hspa Firmware: up to and including -
  • Moxa Oncell 5004 Hspa Firmware: up to and including -

References