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CVE-2018-18995: Abb Gate E1 Firmware: Missing Authentication for Critical Functionality

CVE-2018-18995 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists 2 affected products, including Abb Gate E1 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

Pluto Safety PLC Gateway Ethernet devices ABB GATE-E1 and GATE-E2 all versions do not allow authentication to be configured on administrative telnet or web interfaces, which could enable various effects vectors, including conducting device resets, reading or modifying registers, and changing configuration settings such as IP addresses.

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-306: Missing Authentication for Critical Functionality

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Affected products

  • Abb Gate E1 Firmware: all versions listed by NVD
  • Abb Gate E2 Firmware: all versions listed by NVD

References