Is CVE-2019-11634 in the CISA KEV catalog?

Yes. CVE-2019-11634 is on the CISA Known Exploited Vulnerabilities list, added 2021-11-03, and has known ransomware campaign use.

What is the CVSS severity of CVE-2019-11634?

CVE-2019-11634 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2019-11634?

CVE-2019-11634 has an EPSS score of 8.09% (94th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2019-11634

CRITICALCISA KEVEPSS 94th pctl

9.8

CVSS v3

NVD

Description

Citrix Workspace App before 1904 for Windows has Incorrect Access Control.

CWE-284Improper Access Control

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

8.09%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Citrix Workspace Application and Receiver for Windows Remote Code Execution Vulnerability

Citrix Workspace Application and Receiver for Windows contains remote code execution vulnerability resulting from local drive access preferences not being enforced into the clients' local drives.

Apply updates per vendor instructions.

Remediation due: 2022-05-03

Associated with ransomware campaigns

References

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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 2025-11-06.