Quantum Secular Labs / Blog / Advisories

CVE-2018-18998: Lcds Laquis Scada: Use of Hard-coded Credentials

CVE-2018-18998 is rated critical with a CVSS v3.0 base score of 9.8 and affects Lcds Laquis Scada. 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

LCDS Laquis SCADA prior to version 4.1.0.4150 uses hard coded credentials, which may allow an attacker unauthorized access to the system with high privileges.

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-798: Use of Hard-coded Credentials

The product contains hard-coded credentials, such as a password or cryptographic key.

Affected products

  • Lcds Laquis Scada: before 4.1.0.4150

References