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CVE-2018-6440: Broadcom Fabric Operating System: Authentication bypass
CVE-2018-6440 is rated critical with a CVSS v3.0 base score of 9.1 and NVD lists Broadcom Fabric Operating System as the affected product. Per its scoring, it can be exploited over the network, without authentication, without any user interaction.
Vulnerability description
A vulnerability in the proxy service of Brocade Fabric OS versions before 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d could allow remote unauthenticated attackers to obtain sensitive information and possibly cause a denial of service attack.
Severity breakdown
CVSS v3.0 9.1: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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: None. No loss of integrity.
- Availability impact: High. Total loss of availability; the component can be shut down.
Affected products
- Broadcom Fabric Operating System: from 7.4.2 before 7.4.2d; from 8.0.2 before 8.0.2f; from 8.1.2 before 8.1.2f; from 8.2.0 before 8.2.1