VulnerabilityAnalyzed
CVE-2019-11634
Citrix Workspace Application and Receiver for Windows Remote Code Execution Vulnerability
KEVCRITICAL 9.8EPSS 8.03%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Citrix Workspace App before 1904 for Windows has Incorrect Access Control.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 8.03% probability · 94th percentile
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022 · used in ransomware campaigns
- Weakness
- CWE-284
- Affected
- citrix/receiver · citrix/workspace
- Source
- cve@mitre.org
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2019-11634
References
- https://support.citrix.com/article/CTX251986Vendor Advisory
- https://support.citrix.com/v1/search?searchQuery=%22%22&lang=en&sort=cr_date_desc&prod=&pver=&ct=Security+BulletinVendor Advisory
- https://support.citrix.com/article/CTX251986Vendor Advisory
- https://support.citrix.com/v1/search?searchQuery=%22%22&lang=en&sort=cr_date_desc&prod=&pver=&ct=Security+BulletinVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-11634US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.