Citrix Xenapp vulnerabilities

9 CVEs affecting Citrix Xenapp, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2021-22928, published 2021-08-05.

Highest priority

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

CVE-2012-5161, published 2012-12-26. High severity, CVSS 9.3. EPSS: 5.7% chance of exploitation in the next 30 days. The XML Service interface in Citrix XenApp 6.5 and 6.5 Feature Pack 1 allows remote attackers to execute arbitrary code via unspecified vectors.
CVE-2020-8283, published 2020-12-14. High severity, CVSS 8.8. EPSS: 2.7% chance of exploitation in the next 30 days. An authorised user on a Windows host running Citrix Universal Print Server can perform arbitrary command execution as SYSTEM in CVAD versions before 2009, 1912 LTSR CU1 hotfixes CTX285870 and…
CVE-2020-8269, published 2020-11-16. High severity, CVSS 8.8. EPSS: 2.7% chance of exploitation in the next 30 days. An unprivileged Windows user on the VDA can perform arbitrary command execution as SYSTEM in CVAD versions before 2009, 1912 LTSR CU1 hotfixes CTX285870 and CTX286120, 7.15 LTSR CU6 hotfix CTX285344…
CVE-2016-6493, published 2016-08-19. Critical severity, CVSS 9.8. EPSS: 2.2% chance of exploitation in the next 30 days. Citrix XenApp 6.x before 6.5 HRP07 and 7.x before 7.9 and Citrix XenDesktop before 7.9 might allow attackers to weaken an unspecified security mitigation via vectors related to memory permission.
CVE-2009-2453, published 2009-07-14. High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days. Citrix XenApp (formerly Presentation Server) 4.5 Hotfix Rollup Pack 3 does not apply an access policy when it is defined with the Access Gateway Advanced Edition filters, which allows attackers to…
CVE-2020-13998, published 2020-06-11. Medium severity, CVSS 5.3. EPSS: 1.4% chance of exploitation in the next 30 days. Citrix XenApp 6.5, when 2FA is enabled, allows a remote unauthenticated attacker to ascertain whether a user exists on the server, because the 2FA error page only occurs after a valid username is…
CVE-2016-4810, published 2016-06-01. High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days. Citrix Studio before 7.6.1000, Citrix XenDesktop 7.x before 7.6 LTSR Cumulative Update 1 (CU1), and Citrix XenApp 7.5 and 7.6 allow attackers to set Access Policy rules on the XenDesktop Delivery…
CVE-2008-4676, published 2008-10-22. Medium severity, CVSS 6.8. EPSS: 0.3% chance of exploitation in the next 30 days. Unspecified vulnerability in Citrix XenApp (formerly Presentation Server) 4.5 Feature Pack 1 and earlier, Presentation Server 4.0, and Access Essentials 1.0, 1.5, and 2.0 allows local users to gain…
CVE-2021-22928, published 2021-08-05. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. A vulnerability has been identified in Citrix Virtual Apps and Desktops that could, if exploited, allow a user of a Windows VDA that has either Citrix Profile Management or Citrix Profile Management…