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CVE-2019-7192: QNAP Photo Station Improper Access Control Vulnerability

CVE-2019-7192 is rated critical with a CVSS v3.1 base score of 9.8 and affects QNAP Photo Station. 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. CISA added it to its Known Exploited Vulnerabilities catalog on 2022-06-08, which means exploitation in the wild has been observed.

Vulnerability description

This improper access control vulnerability allows remote attackers to gain unauthorized access to the system. To fix these vulnerabilities, QNAP recommend updating Photo Station to their latest versions.

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-863: Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Affected products

  • QNAP Photo Station: before 6.0.3; before 5.7.10; before 5.4.9; before 5.2.11

References