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TI-2020-06664 Aliases CVE-2020-8246GHSA-5wpp-rjjg-p4xh

Uncontrolled resource consumption in Citrix ADC, Citrix Gateway, Citrix SDWAN WAN-OP

Priority LOW 36CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.

Summary

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.

Why it matters now

EPSS 0.01555 75th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Citrix ADC, Citrix Gateway, Citrix SDWAN WAN-OPCitrix 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—No fix listedCNA
  • Citrix ADC, Citrix Gateway, Citrix SDWAN WAN-OP Vendor— Affected 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 Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*11.1 to before 11.1-65.12; 12.1 to before 12.1-58.15; 13.0 to before 13.0-64.35VulnerableCitrix
cpe:2.3:h:citrix:application_delivery_controller:-:*:*:*:*:*:*:*not specified by NVDRunning onCitrix
cpe:2.3:a:citrix:gateway:*:*:*:*:*:*:*:*11.1 to before 11.1-65.12; 13.0 to before 13.0-64.35VulnerableCitrix
cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*12.1 to before 12.1-58.15VulnerableCitrix
cpe:2.3:o:citrix:sd-wan_wanop:*:*:*:*:*:*:*:*10.2 to before 10.2.7b; 11.0 to before 11.0.3f; 11.1 to before 11.1.2a; 11.2 to before 11.2.1aVulnerableCitrix
cpe:2.3:h:citrix:sd-wan_wanop:-:*:*:*:*:*:*:*not specified by NVDRunning onCitrix
  • cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:* Versions 11.1 to before 11.1-65.12; 12.1 to before 12.1-58.15; 13.0 to before 13.0-64.35 Vulnerable ·Citrix
  • cpe:2.3:h:citrix:application_delivery_controller:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Citrix
  • cpe:2.3:a:citrix:gateway:*:*:*:*:*:*:*:* Versions 11.1 to before 11.1-65.12; 13.0 to before 13.0-64.35 Vulnerable ·Citrix
  • cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:* Versions 12.1 to before 12.1-58.15 Vulnerable ·Citrix
  • cpe:2.3:o:citrix:sd-wan_wanop:*:*:*:*:*:*:*:* Versions 10.2 to before 10.2.7b; 11.0 to before 11.0.3f; 11.1 to before 11.1.2a; 11.2 to before 11.2.1a Vulnerable ·Citrix
  • cpe:2.3:h:citrix:sd-wan_wanop:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Citrix

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-8246
  2. 2026-10-03 Alias added: GHSA-5wpp-rjjg-p4xh

References

Advisory 1

  • TI-2022-10528 Unauthenticated remote arbitrary code execution in Citrix Gateway, Citrix ADC KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-14254 An issue was discovered in Citrix Application Delivery Controller (ADC) and Gateway 10.5… KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-06613 Improper input validation in Citrix ADC, Citrix Gateway, Citrix SDWAN WAN-OP KEVCVSS 3.1MEDIUM 6.5
  • TI-2020-06611 Improper access control in Citrix ADC, Citrix Gateway, Citrix SDWAN WAN-OP KEVCVSS 3.1MEDIUM 6.5
  • TI-2020-06614 Improper access control in Citrix ADC, Citrix Gateway, Citrix SDWAN WAN-OP KEVCVSS 3.1MEDIUM 4.3
  • TI-2018-05232 The AppFirewall functionality in Citrix NetScaler Application Delivery Controller and… CVSS 3.0CRITICAL 9.8
See all 29 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences