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CVE-2018-6809: Citrix Netscaler Application Delivery Controller Firmware: Privilege escalation
CVE-2018-6809 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists 2 affected products, including Citrix Netscaler Application Delivery Controller Firmware. 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
NetScaler ADC 10.5, 11.0, 11.1, and 12.0, and NetScaler Gateway 10.5, 11.0, 11.1, and 12.0 allow remote attackers to gain privilege on a target system.
Severity breakdown
CVSS v3.0 9.8: CVSS:3.0/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.
Affected products
- Citrix Netscaler Application Delivery Controller Firmware: 10.5; 11.0; 11.1; 12.0
- Citrix Netscaler Gateway Firmware: 10.5; 11.0; 11.1; 12.0