Citrix Receiver vulnerabilities

2 CVEs affecting Citrix Receiver, 1 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2012-4603, published 2020-01-10.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2019-11634: Citrix Workspace Application and Receiver for Windows Remote Code Execution Vulnerability, published 2019-05-22. Critical severity, CVSS 9.8. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 8.1% chance of exploitation in the next 30 days. Citrix Workspace App before 1904 for Windows has Incorrect Access Control.
• CVE-2012-4603, published 2020-01-10. High severity, CVSS 7.8. EPSS: 6.9% chance of exploitation in the next 30 days. Citrix XenApp Online Plug-in for Windows 12.1 and earlier, and Citrix Receiver for Windows 3.2 and earlier could allow remote attackers to execute arbitrary code by convincing a target to open a…