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Vulnerability record · CVE-2008-2528 · published 3 June 2008

CVE-2008-2528: Citrix access gateway improper authentication vulnerability

Citrix · Access Gateway

Unspecified vulnerability in Citrix Access Gateway Standard Edition 4.5.7 and earlier and Advanced Edition 4.5 HF2 and earlier allows attackers to bypass authentication and gain "access to network resources" via unspecified vectors.

10.0 CVSS 2.0 High EPSS 2.7% · top 14.6% CWE-287 · Improper authentication
10.0CVSS 2.0 base score
2.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

Unspecified vulnerability in Citrix Access Gateway Standard Edition 4.5.7 and earlier and Advanced Edition 4.5 HF2 and earlier allows attackers to bypass authentication and gain "access to network resources" via unspecified vectors.

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

Affected products

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

References

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Related vulnerabilities

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

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-2010-4566Citrix access gateway vulnerabilityThe web authentication form in the NT4 authentication component in Citrix Access Gateway Enterprise Edition 9.2-49.8 and earlier, and the NTLM authen…EPSS 28%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-2008-2528), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.