CVE-2010-4566

Exp

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.

Published: 2011-01-14 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-4566 is rated High Exploit Risk (82.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 71.85%, 99th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2010-4566

EDB-ID Source Kind Published Link
16916 exploit_db edb 2011-03-03 Exploit-DB ↗
15806 exploit_db edb 2010-12-22 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2010-4566

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 75.98% 71.85% -4.13%
2 2025-03-29 71.85% 75.98% +4.13%
3 2025-03-19 — 71.85% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-4566

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2010-4566

Affected software / configurations for CVE-2010-4566

Vendor Product Version Raw CPE
citrix access_gateway <= 9.2-49.8 cpe:2.3:a:citrix:access_gateway:*:*:enterprise:*:*:*:*:*
citrix access_gateway .8.0 cpe:2.3:a:citrix:access_gateway:.8.0:m50.3:enterprise:*:*:*:*:*
citrix access_gateway 8.0 cpe:2.3:a:citrix:access_gateway:8.0:m48.7:enterprise:*:*:*:*:*
citrix access_gateway 8.0 cpe:2.3:a:citrix:access_gateway:8.0:m49.2:enterprise:*:*:*:*:*
citrix access_gateway 8.0 cpe:2.3:a:citrix:access_gateway:8.0:m59.1:enterprise:*:*:*:*:*
citrix access_gateway 8.1-69.4 cpe:2.3:a:citrix:access_gateway:8.1-69.4:*:enterprise:*:*:*:*:*
citrix access_gateway 9.0.71.3 cpe:2.3:a:citrix:access_gateway:9.0.71.3:*:enterprise:*:*:*:*:*
citrix access_gateway 9.1-104.5 cpe:2.3:a:citrix:access_gateway:9.1-104.5:*:enterprise:*:*:*:*:*
citrix access_gateway 4.5 cpe:2.3:a:citrix:access_gateway:4.5:*:advanced:*:*:*:*:*
citrix access_gateway 4.5 cpe:2.3:a:citrix:access_gateway:4.5:*:standard:*:*:*:*:*
citrix access_gateway 4.5 cpe:2.3:a:citrix:access_gateway:4.5:hf1:*:*:*:*:*:*
citrix access_gateway 4.5 cpe:2.3:a:citrix:access_gateway:4.5:hf1:advanced:*:*:*:*:*
citrix access_gateway 4.5.5 cpe:2.3:a:citrix:access_gateway:4.5.5:*:standard:*:*:*:*:*
citrix access_gateway 4.5.6 cpe:2.3:a:citrix:access_gateway:4.5.6:*:standard:*:*:*:*:*
citrix access_gateway 4.5.7 cpe:2.3:a:citrix:access_gateway:4.5.7:*:standard:*:*:*:*:*
citrix access_gateway 4.6.1 cpe:2.3:a:citrix:access_gateway:4.6.1:*:standard:*:*:*:*:*
citrix access_gateway 4.6.2 cpe:2.3:a:citrix:access_gateway:4.6.2:*:standard:*:*:*:*:*
citrix access_gateway 4.6.3 cpe:2.3:a:citrix:access_gateway:4.6.3:*:standard:*:*:*:*:*

References for CVE-2010-4566

cvelogic Threat Intelligence