Is CVE-2020-8198 in the CISA KEV catalog?

No. CVE-2020-8198 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-8198?

CVE-2020-8198 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2020-8198?

CVE-2020-8198 has an EPSS score of 0.97% (58th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-8198?

Upgrade application delivery controller firmware to 13.0-58.30 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2020-8198

MEDIUM

6.1

CVSS v3

NVD

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).

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

application delivery controller firmwareNVD

Affected:>= 13.0, < 13.0-58.30Fixed in:13.0-58.30CVE-2020-8198derived from NVD

gateway firmwareNVD

Affected:>= 13.0, < 13.0-58.30Fixed in:13.0-58.30CVE-2020-8198derived from NVD

netscaler gateway firmwareNVD

Affected:>= 12.1, < 12.1-57.18Fixed in:12.1-57.18CVE-2020-8198derived from NVD

sd-wan wanopNVD

Affected:>= 11.1, < 11.1.1aFixed in:11.1.1aCVE-2020-8198derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.97%probability of exploitation in 30 days

58thpercentile

Moderate risk: more likely to be exploited than 58% of all known CVEs.

References

Vendor Advisory1

support.citrix.com

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.