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IMMUNITYSEC

CVE-2019-11634

9.8
CRITICAL
CVSS 3.1
EPSS 8.1% · 95th pctCISA KEV · Exploited in the wild
2019-05-22Updated 2026-08-12KEV 2021-11-03
CISA Known Exploited Vulnerabilities

Citrix Workspace Application and Receiver for Windows Remote Code Execution Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV
2021-11-03
Remediation due
2022-05-03
Ransomware
Known use

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2019-11634

Description

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

Severity

CVSS 3.1 · CISA9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC · CISA-ADP
Exploitationactive
Automatableyes
Technical impacttotal

Exploitation Context

as of October 14, 2026
All KEV statistics→
  • CISA added CVE-2019-11634 to the KEV catalog 896 days after its CVE record was published.
  • It is one of 27 Citrix entries in the CISA KEV catalog, and one of 6 added in 2021.
  • Its current EPSS score (8.1%) is higher than that of 23% of CISA KEV entries.

Affected Products

ProductAffected versions
-
n/a

References

2 Links

Record Details

Published
2019-05-22
Last updated
2026-08-12
Assigner (CNA)
mitre
Credited to
-

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.