CVE-2020-8193

Name: CVE-2020-8193
Creator: NVD / NIST
Published: 2020-07-10T16:15:12.157+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10Actively ExploitedEPSS 88.41%

Last modified Jun 17, 2026

CVE-2020-8193 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Improper access control in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 allows unauthenticated access to certain URL endpoints.. CISA has confirmed active exploitation in the wild. EPSS estimates a 88.41% chance of exploitation in the next 30 days.

Description

Improper access control in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 allows unauthenticated access to certain URL endpoints.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

88.41%

99.8th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by May 3, 2022.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Citrix	Application Delivery Controller Firmware	>= 10.5, < 10.5-70.18
Citrix	Application Delivery Controller Firmware	>= 11.1, < 11.1-64.14
Citrix	Application Delivery Controller Firmware	>= 12.0, < 12.0-63.21
Citrix	Application Delivery Controller Firmware	>= 12.1, < 12.1-57.18
Citrix	Application Delivery Controller Firmware	>= 13.0, < 13.0-58.30
Citrix	Netscaler Gateway Firmware	>= 10.5, < 10.5-70.18
Citrix	Netscaler Gateway Firmware	>= 11.1, < 11.1-64.14
Citrix	Netscaler Gateway Firmware	>= 12.0, < 12.0-63.21
Citrix	Netscaler Gateway Firmware	>= 12.1, < 12.1-57.18
Citrix	Gateway Firmware	>= 13.0, < 13.0-58.30
Citrix	Sd-Wan Wanop	>= 10.2, < 10.2.7
Citrix	Sd-Wan Wanop	>= 11.0, < 11.0.3d
Citrix	Sd-Wan Wanop	>= 11.1, < 11.1.1a

References

http://packetstormsecurity.com/files/160047/Citrix-ADC-NetScaler-Local-File-Inclusion.htmlExploit, Third Party Advisory, VDB Entry
https://support.citrix.com/article/CTX276688Vendor Advisory
http://packetstormsecurity.com/files/160047/Citrix-ADC-NetScaler-Local-File-Inclusion.htmlExploit, Third Party Advisory, VDB Entry
https://support.citrix.com/article/CTX276688Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-8193US Government Resource

Timeline

Published: Jul 10, 2020
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2020-8193?

How severe is CVE-2020-8193?

CVE-2020-8193 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 88.41% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2020-8193?

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-2020-8193?

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

Scan your code now

Source: NVD / NIST