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CVE-2008-2528

27
FAUCET Score

CVE-2008-2528 describes an unspecified authentication bypass vulnerability in Citrix Access Gateway Standard Edition 4.5.7 and earlier, and Advanced Edition 4.5 HF2 and earlier, allowing attackers to gain unauthorized access to network resources. This critical vulnerability has a CVSS score of 10.0, indicating a network-based attack with low complexity and complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.5CPE matchmatch criteria
cpe:2.3:a:citrix:access_gateway:*:advanced:hf2:*:*:*:*:*
<= 4.5.7CPE matchmatch criteria
cpe:2.3:a:citrix:access_gateway:*:*:standard:*:*:*:*:*
4.5.5CPE matchmatch criteria
cpe:2.3:a:citrix:access_gateway:4.5.5:*:standard:*:*:*:*:*
4.5.6CPE matchmatch criteria
cpe:2.3:a:citrix:access_gateway:4.5.6:*:standard:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.71%
Probability of exploitation in next 30 days
EPSS Percentile
84.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0271 is in the 72nd percentile among its peer group of 51,455 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

citrixpatch availablevia nvd_reference
View patch

References

secunia.com / advisories/30175
Patch
exchange.xforce.ibmcloud.com / vulnerabilities/42356
support.citrix.com / article/CTX116930
Patch
securityfocus.com / bid/29174
securitytracker.com / id
vupen.com / english/advisories/2008/1474/references