Known Vulnerabilities for 4000-wo by Citrix

Listed below are 7 of the newest known vulnerabilities associated with "4000-wo" by "Citrix".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

More device details and information can be found at device.report here: Citrix 4000-wo

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-27857 json Sending "NOOP (((...)))" command with 4000 parenthesis open+close results in ~1MB extra memory usage. Longer commands will re... Not Provided 2026-03-27 2026-03-27
CVE-2021-22919 json A vulnerability has been discovered in Citrix ADC (formerly known as NetScaler ADC) and Citrix Gateway (formerly known as Net... 7.5 - HIGH 2021-08-05 2021-08-16
CVE-2020-8198 json Improper input validation 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... 6.1 - MEDIUM 2020-07-10 2020-07-13
CVE-2020-8196 json 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 1... 4.3 - MEDIUM 2020-07-10 2022-09-20
CVE-2020-8195 json Improper input validation 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... 6.5 - MEDIUM 2020-07-10 2022-09-20
CVE-2020-8194 json Reflected code injection 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 ... 6.5 - MEDIUM 2020-07-10 2020-07-13
CVE-2020-8193 json 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 1... 6.5 - MEDIUM 2020-07-10 2022-09-20
CVE-2020-8191 json Improper input validation 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... 6.1 - MEDIUM 2020-07-10 2020-07-13

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
HardwareCitrix4000-wo-
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