CVE-2020-8247

Name: CVE-2020-8247
Creator: NVD / NIST
Published: 2020-09-18T21:15:13.327+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.35%

Last modified Jun 17, 2026

CVE-2020-8247 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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 escalation of privileges on the management interface.. EPSS estimates a 1.35% chance of exploitation in the next 30 days.

Description

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 escalation of privileges on the management interface.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.35%

68.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Citrix	Application Delivery Controller Firmware	>= 11.1, < 11.1-65.12
Citrix	Application Delivery Controller Firmware	>= 12.1, < 12.1-58.15
Citrix	Application Delivery Controller Firmware	>= 13.0, < 13.0-64.35
Citrix	Gateway	>= 11.1, < 11.1-65.12
Citrix	Gateway	>= 13.0, < 13.0-64.35
Citrix	Netscaler Gateway	>= 12.1, < 12.1-58.15
Citrix	Sd-Wan Wanop	>= 10.2, < 10.2.7b
Citrix	Sd-Wan Wanop	>= 11.0, < 11.0.3f
Citrix	Sd-Wan Wanop	>= 11.1, < 11.1.2a
Citrix	Sd-Wan Wanop	>= 11.2, < 11.2.1a

References

https://support.citrix.com/article/CTX281474Vendor Advisory
https://support.citrix.com/article/CTX281474Vendor Advisory

Timeline

Published: Sep 18, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-8247?

How severe is CVE-2020-8247?

CVE-2020-8247 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.35% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8247?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-8247?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST