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CVE-2018-25093: Vaerys Dawn Discordsailv2: Improper Access Control

CVE-2018-25093 is rated critical with a CVSS v3.1 base score of 9.8 and affects Vaerys Dawn Discordsailv2. 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

A vulnerability was found in Vaerys-Dawn DiscordSailv2 up to 2.10.2. It has been rated as critical. Affected by this issue is some unknown functionality of the component Tag Handler. The manipulation leads to improper access controls. Upgrading to version 2.10.3 is able to address this issue. The name of the patch is cc12e0be82a5d05d9f359ed8e56088f4f8b8eb69. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-244484.

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-284: Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Affected products

  • Vaerys Dawn Discordsailv2: before 2.10.3

References