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CVE-2018-17890: Nuuo CMS: Code execution

CVE-2018-17890 is rated critical with a CVSS v3.1 base score of 9.8 and affects Nuuo CMS. 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

NUUO CMS all versions 3.1 and prior, The application uses insecure and outdated software components for functionality, which could allow arbitrary code execution.

Severity breakdown

CVSS v3.1 9.8: CVSS:3.1/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-477: Use of Obsolete Function

The code uses deprecated or obsolete functions, which suggests that the code has not been actively reviewed or maintained.

Affected products

  • Nuuo CMS: up to and including 3.1

References