CVE-2019-11634

citrix receiver, citrix workspace

Published 22 May 2019 · updated 12 Aug 2026 · Analyzed

9.8 Critical · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, with a remediation deadline of 3 May 2022 for US federal agencies. It has been used in ransomware campaigns.

Required action: Apply updates per vendor instructions.

Description

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

References

support.citrix.com/article/CTX251986 · Vendor Advisory
support.citrix.com/v1/search?searchQuery=%22%22&lang=en&sort=cr_date_desc&prod=&pver=&ct=Security+Bulletin · Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-11634 · US Government Resource