Resource exhaustion in Citrix Application Delivery Controller
CVE-2020-8246
Citrix ADC and Citrix Gateway 13.0 before 13.0-64.35, Citrix ADC and NetScaler Gateway 12.1 before 12.1-58.15, Citrix ADC 12.1-FIPS before 12.1-55.187, Citrix ADC and NetScaler Gateway 12.0, Citrix ADC and NetScaler Gateway 11.1 before 11.1-65.12, Citrix SD-WAN WANOP 11.2 before 11.2.1a, Citrix SD-WAN WANOP 11.1 before 11.1.2a, Citrix SD-WAN WANOP 11.0 before 11.0.3f, Citrix SD-WAN WANOP 10.2 before 10.2.7b are vulnerable to a denial of service attack originating from the management network.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.016 (72.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Citrix Application_delivery_controller
- Citrix Application_delivery_controller_firmware
- Citrix Gateway
- Citrix Netscaler_gateway
- Citrix Sd-wan_wanop
- N/a Citrix Adc, Gateway, Sdwan Wan-op — versions Citrix ADC and Citrix Gateway 13.0 before 13.0-64.35, Citrix ADC and NetScaler Gateway 12.1 before 12.1-58.15, Citrix ADC 12.1-FIPS before 12.1-55.187, Citrix ADC and NetScaler Gateway 12.0, Citrix ADC and NetScaler Gateway 11.1 before 11.1-65.12, Citrix SD-WAN WANOP 11.2 before 11.2.1a, Citrix SD-WAN WANOP 11.1 before 11.1.2a, Citrix SD-WAN WANOP 11.0 before 11.0.3f, Citrix SD-WAN WANOP 10.2 before 10.2.7b
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support@hackerone.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-8246?
- CVE-2020-8246 is a high-severity vulnerability in Citrix Application Delivery Controller, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2020-09-18.
- How severe is CVE-2020-8246?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-8246 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.