Quantum Secular Labs / Blog / Advisories

CVE-2017-13995: Spidercontrol Ininet Webserver: Authentication bypass

CVE-2017-13995 is rated critical with a CVSS v3.0 base score of 10.0 and affects Spidercontrol Ininet Webserver. 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 Authentication issue was discovered in iniNet Solutions iniNet Webserver, all versions prior to V2.02.0100. The webserver does not properly authenticate users, which may allow a malicious attacker to access sensitive information such as HMI pages or modify PLC variables.

Severity breakdown

CVSS v3.0 10.0: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/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: Changed. Impact reaches beyond the vulnerable component to other resources.
  • 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-287: Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected products

  • Spidercontrol Ininet Webserver: up to and including 2.02.0000

References