How severe is CVE-2008-2528?

CVE-2008-2528 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2008-2528 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-2528?

CVE-2008-2528 primarily affects Citrix Access Gateway. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-2528?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2008-2528 published?

CVE-2008-2528 was published on 2008-06-03 and last updated on 2026-06-16.

CVE-2008-2528

CVE-2008-2528 is a critical-severity vulnerability in Citrix Access Gateway with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Citrix Access Gateway
Published: 2008-06-03
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2008-2528?: 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.
How severe is CVE-2008-2528?: CVE-2008-2528 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2008-2528 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-2528?: CVE-2008-2528 primarily affects Citrix Access Gateway. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-2528?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2008-2528 published?: CVE-2008-2528 was published on 2008-06-03 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:citrix:access_gateway:*:advanced:hf2:*:*:*:*:*
cpe:2.3:a:citrix:access_gateway:*:*:standard:*:*:*:*:*
cpe:2.3:a:citrix:access_gateway:4.5.5:*:standard:*:*:*:*:*
cpe:2.3:a:citrix:access_gateway:4.5.6:*:standard:*:*:*:*:*

More vulnerabilities in Citrix Access Gateway

CVE-2011-2883 — Critical (CVSS 9.3): The NSEPA.NsepaCtrl.1 ActiveX control in nsepa.ocx in Citrix Access Gateway Enterprise Edition 8.1 before 8.1-67.7, 9.0…
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CVE-2010-4566 — Critical (CVSS 9.3): The web authentication form in the NT4 authentication component in Citrix Access Gateway Enterprise Edition 9.2-49.8…
CVE-2007-4013 — Critical (CVSS 9.3): Multiple unspecified vulnerabilities in (1) Net6Helper.DLL (aka Net6Launcher Class) 4.5.2 and earlier, (2) npCtxCAO.dll…
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Other CWE-287 (Improper Authentication) vulnerabilities

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