CVE-2006-5821

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-11-10 · updated 2026-06-16

Description

Heap-based buffer overflow in the IMA_SECURE_DecryptData1 function in ImaSystem.dll for Citrix MetaFrame XP 1.0 and 2.0, and Presentation Server 3.0 and 4.0, allows remote attackers to execute arbitrary code via requests to the Independent Management Architecture (IMA) service (ImaSrv.exe) with invalid size values that trigger the overflow during decryption.

Affected products

Citrix Metaframe: 1.0, 3.0 (and their updates)
Citrix Metaframe Presentation Server: 4.0 (and their updates)

References

http://secunia.com/advisories/22802
http://securitytracker.com/id?1017205
http://support.citrix.com/article/CTX111186
http://www.securityfocus.com/archive/1/451337/100/100/threaded
http://www.securityfocus.com/bid/20986
http://www.vupen.com/english/advisories/2006/4429
http://www.zerodayinitiative.com/advisories/ZDI-06-038.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/30148
http://secunia.com/advisories/22802
http://securitytracker.com/id?1017205
http://support.citrix.com/article/CTX111186
http://www.securityfocus.com/archive/1/451337/100/100/threaded

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