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Vulnerability record · CVE-2010-4566 · published 14 January 2011

CVE-2010-4566: Citrix access gateway vulnerability

Citrix · Access Gateway

The web authentication form in the NT4 authentication component in Citrix Access Gateway Enterprise Edition 9.2-49.8 and earlier, and the NTLM authentication component in Access Gateway Standard and Advanced Editions before Access Gateway 5.0, allows attackers to execute arbitrary commands via shell metacharacters in the password field.

9.3 CVSS 2.0 High EPSS 28% · top 2.0%
9.3CVSS 2.0 base score
28%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

The web authentication form in the NT4 authentication component in Citrix Access Gateway Enterprise Edition 9.2-49.8 and earlier, and the NTLM authentication component in Access Gateway Standard and Advanced Editions before Access Gateway 5.0, allows attackers to execute arbitrary commands via shell metacharacters in the password field.

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://securityreason.com/securityalert/8119
http://support.citrix.com/article/CTX127613 Vendor Advisory
http://www.exploit-db.com/exploits/16916
http://www.osvdb.org/70099
http://www.securitytracker.com/id?1024893
http://www.vsecurity.com/resources/advisory/20101221-1
http://securityreason.com/securityalert/8119
http://support.citrix.com/article/CTX127613 Vendor Advisory
http://www.exploit-db.com/exploits/16916
http://www.osvdb.org/70099
http://www.securitytracker.com/id?1024893
http://www.vsecurity.com/resources/advisory/20101221-1

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2008-2528Citrix access gateway improper authentication vulnerabilityUnspecified vulnerability in Citrix Access Gateway Standard Edition 4.5.7 and earlier and Advanced Edition 4.5 HF2 and earlier allows attackers to by…EPSS 2.7%9.3CVE-2011-2882Citrix Access Gateway ActiveX control stack buffer overflowThe NSEPA.NsepaCtrl.1 ActiveX control in nsepa.ocx shipped with Citrix Access Gateway Enterprise Edition contains a stack-based buffer overflow (CWE-…EPSS 56%analysed9.3CVE-2011-2883Citrix access gateway improper input validation vulnerabilityThe NSEPA.NsepaCtrl.1 ActiveX control in nsepa.ocx in Citrix Access Gateway Enterprise Edition 8.1 before 8.1-67.7, 9.0 before 9.0-70.5, and 9.1 befo…EPSS 1.5%9.3CVE-2007-4013Citrix access gateway vulnerabilityMultiple unspecified vulnerabilities in (1) Net6Helper.DLL (aka Net6Launcher Class) 4.5.2 and earlier, (2) npCtxCAO.dll (aka Citrix Endpoint Analysis…EPSS 4.2%7.6CVE-2007-4017Citrix access gateway vulnerabilityCross-site request forgery (CSRF) vulnerability in the web-based administration console in Citrix Access Gateway before firmware 4.5.5 allows remote …EPSS 2.5%6.8CVE-2007-4016Citrix access gateway vulnerabilityUnspecified vulnerability in the client components in Citrix Access Gateway Standard Edition before 4.5.5 and Advanced Edition before 4.5 HF1 allows …EPSS 2.2%6.8CVE-2007-4018Citrix access gateway vulnerabilityCitrix Access Gateway Advanced Edition before firmware 4.5.5 allows attackers to redirect users to arbitrary web sites and conduct phishing attacks v…EPSS 1.3%6.5CVE-2006-6572Citrix access gateway vulnerabilityUnspecified vulnerability in Citrix Advanced Access Control (AAC) Option 4.0, and Access Gateway 4.2 with Advanced Access Control 4.2, before 2006111…EPSS 1.5%

Source: NIST National Vulnerability Database (record CVE-2010-4566), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.