CVE-2020-8194
MediumExploitedReflected 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 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 allows the modification of a file download.
Published Jul 10, 2020 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2020-8194 is a medium-severity vulnerability (CVSS 6.5 v3.1) affecting Application Delivery Controller Firmware (Citrix), Gateway Firmware (Citrix), Netscaler Gateway Firmware (Citrix) and 2 more products.
- It is exploited in the wild, listed in Industry KEV feed since Jul 31, 2025. No public exploit code is known.
- EPSS estimates a 11% probability of exploitation in the next 30 days.
- Fixed versions are available, including Application Delivery Controller Firmware 10.5-70.18, Gateway Firmware 13.0-58.30, Netscaler Gateway Firmware 10.5-70.18.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS (30-day exploit likelihood)
11%
Higher than 95.8% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
None known
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Description
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 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 allows the modification of a file download.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Jul 31, 2025 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
5 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Application Delivery Controller FirmwareCitrix | See advisory | 10.5-70.18 |
| Gateway FirmwareCitrix | See advisory | 13.0-58.30 |
| Netscaler Gateway FirmwareCitrix | See advisory | 10.5-70.18 |
| SD-WAN WanopCitrix | See advisory | 10.2.7 |
| Citrix ADC, Citrix Gateway, Citrix SDWAN WAN-OP | >= Citrix ADC and Citrix Gateway 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 11.1.1a, 11.0.3d and 10.2.7 | n/a |
Patched Releases
Application Delivery Controller Firmware
10.5-70.18
Gateway Firmware
13.0-58.30
Netscaler Gateway Firmware
10.5-70.18
SD-WAN Wanop
10.2.7
Timeline
Publicly disclosed
Jul 10, 2020
Last updated
Nov 21, 2024
Added to Industry KEV feed
Jul 31, 2025
Weakness Type
- CWE-94 Improper Control of Generation of Code ('Code Injection')
References
FAQ
Common Questions.
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 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 allows the modification of a file download.
Affected: Application Delivery Controller Firmware (Citrix); Gateway Firmware (Citrix); Netscaler Gateway Firmware (Citrix), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Jul 31, 2025.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Application Delivery Controller Firmware 10.5-70.18, Gateway Firmware 13.0-58.30, Netscaler Gateway Firmware 10.5-70.18.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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