How severe is CVE-2020-8190?

CVE-2020-8190 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-8190 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8190?

CVE-2020-8190 primarily affects Citrix Application Delivery Controller Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-8190?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-8190 published?

CVE-2020-8190 was published on 2020-07-10 and last updated on 2026-06-17.

CVE-2020-8190

CVE-2020-8190 is a high-severity vulnerability in Citrix Application Delivery Controller Firmware with a CVSS 3.x base score of 7.5. 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-281.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 6.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-281
Affected product: Citrix Application Delivery Controller Firmware
Published: 2020-07-10
Last modified: 2026-06-17

Description

Incorrect file permissions in Citrix ADC and Citrix Gateway before versions 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 allows privilege escalation.

Frequently asked questions

What is CVE-2020-8190?: Incorrect file permissions in Citrix ADC and Citrix Gateway before versions 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 allows privilege escalation.
How severe is CVE-2020-8190?: CVE-2020-8190 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-8190 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8190?: CVE-2020-8190 primarily affects Citrix Application Delivery Controller Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-8190?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-8190 published?: CVE-2020-8190 was published on 2020-07-10 and last updated on 2026-06-17.

References

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

Affected products (3)

cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:citrix:gateway_firmware:*:*:*:*:*:*:*:*

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