How severe is CVE-2020-8198?

CVE-2020-8198 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-8198 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8198?

CVE-2020-8198 primarily affects Citrix Application Delivery Controller Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-8198?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-8198 published?

CVE-2020-8198 was published on 2020-07-10 and last updated on 2026-06-17.

CVE-2020-8198

CVE-2020-8198 is a medium-severity vulnerability in Citrix Application Delivery Controller Firmware with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Citrix Application Delivery Controller Firmware
Published: 2020-07-10
Last modified: 2026-06-17

Description

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 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 resulting in Stored Cross-Site Scripting (XSS).

Frequently asked questions

What is CVE-2020-8198?: 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 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 resulting in Stored Cross-Site Scripting (XSS).
How severe is CVE-2020-8198?: CVE-2020-8198 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-8198 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8198?: CVE-2020-8198 primarily affects Citrix Application Delivery Controller Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-8198?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-8198 published?: CVE-2020-8198 was published on 2020-07-10 and last updated on 2026-06-17.

References

https://support.citrix.com/article/CTX276688

Affected products (4)

cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:citrix:gateway_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:citrix:sd-wan_wanop:*:*:*:*:*:*:*:*

More vulnerabilities in Citrix Application Delivery Controller Firmware

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