How severe is CVE-2019-17366?

CVE-2019-17366 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-17366 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-17366?

CVE-2019-17366 primarily affects Citrix Application Delivery Management. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-17366?

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-2019-17366 published?

CVE-2019-17366 was published on 2019-10-09 and last updated on 2026-06-17.

CVE-2019-17366

CVE-2019-17366 is a high-severity vulnerability in Citrix Application Delivery Management with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Citrix Application Delivery Management
Published: 2019-10-09
Last modified: 2026-06-17

Description

Citrix Application Delivery Management (ADM) 12.1 before build 54.13 has Incorrect Access Control.

Frequently asked questions

What is CVE-2019-17366?: Citrix Application Delivery Management (ADM) 12.1 before build 54.13 has Incorrect Access Control.
How severe is CVE-2019-17366?: CVE-2019-17366 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-17366 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-17366?: CVE-2019-17366 primarily affects Citrix Application Delivery Management. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-17366?: 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-2019-17366 published?: CVE-2019-17366 was published on 2019-10-09 and last updated on 2026-06-17.

References

https://support.citrix.com/article/CTX261735

Affected products (11)

cpe:2.3:a:citrix:application_delivery_management:12.1:build_48.18:*:*:*:*:*:*
cpe:2.3:a:citrix:application_delivery_management:12.1:build_49.23:*:*:*:*:*:*
cpe:2.3:a:citrix:application_delivery_management:12.1:build_49.37:*:*:*:*:*:*
cpe:2.3:a:citrix:application_delivery_management:12.1:build_50.28:*:*:*:*:*:*
cpe:2.3:a:citrix:application_delivery_management:12.1:build_50.30:*:*:*:*:*:*
cpe:2.3:a:citrix:application_delivery_management:12.1:build_50.33:*:*:*:*:*:*
cpe:2.3:a:citrix:application_delivery_management:12.1:build_50.39:*:*:*:*:*:*
cpe:2.3:a:citrix:application_delivery_management:12.1:build_50.43:*:*:*:*:*:*
cpe:2.3:a:citrix:application_delivery_management:12.1:build_52.15:*:*:*:*:*:*
cpe:2.3:a:citrix:application_delivery_management:12.1:build_53.12:*:*:*:*:*:*
cpe:2.3:a:citrix:application_delivery_management:13.0:*:*:*:cloud:*:*:*

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