CVE-2009-2453 json
Citrix XenApp (formerly Presentation Server) 4.5 Hotfix Rollup Pack 3 does not apply an access policy when it is defined with the Access Ga…
published 2009-07-14 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-2448
- cvss
- 7.5
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
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 bypass intended access restrictions via unknown vectors.
Patch / fix
- securitytracker.com/id?1022114 patch
- securityfocus.com/bid/34691 patch
- support.citrix.com/article/CTX118792 advisory
- vupen.com/english/advisories/2009/1154 advisory
Exploit prediction
1.43% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-264 Permissions, Privileges, and Access Controls
References
-
support.citrix.com
/article/CTX118792
patch, vendor-advisory
-
vupen.com
/english/advisories/2009/1154
vdb-entry, patch, vendor-advisory
-
securitytracker.com
/id?1022114
vdb-entry, patch
-
securityfocus.com
/bid/34691
vdb-entry, patch
-
secunia.com
/advisories/34865
third-party-advisory, vendor-advisory
-
osvdb.org
/53900
vdb-entry
Sources
- CVE List CVE-2009-2453
- NVD CVE-2009-2453
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