CVE-2009-2453 describes a critical access policy bypass vulnerability in Citrix XenApp (formerly Presentation Server) 4.5 Hotfix Rollup Pack 3. This flaw prevents the application of access policies defined with Access Gateway Advanced Edition filters, allowing unauthorized access to restricted resources. With a CVSS score of 7.5, this vulnerability is easily exploitable over the network without authentication, potentially leading to full compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the potential impact remains significant for affected systems.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.5CPE matchmatch criteria | cpe:2.3:a:citrix:presentation_server:4.5:-:se:*:*:*:*:* | ||
4.5CPE matchmatch criteria | cpe:2.3:a:citrix:presentation_server:4.5:-:windows_server_2003:*:*:*:*:* | ||
4.5CPE matchmatch criteria | cpe:2.3:a:citrix:presentation_server:4.5:-:windows_server_2003_x64:*:*:*:*:* | ||
4.5CPE matchmatch criteria | cpe:2.3:a:citrix:presentation_server:4.5:fp1:*:*:*:*:*:* | ||
4.5CPE matchmatch criteria | cpe:2.3:a:citrix:xenapp:4.5:fp3:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.