The web authentication form in the NT4 authentication component in Citrix Access Gateway…
Priority MEDIUM 63Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.27795 98th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 18
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:citrix:access_gateway:*:*:enterprise:*:*:*:*:* | up to 9.2-49.8 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:access_gateway:.8.0:m50.3:enterprise:*:*:*:*:* | .8.0 m50.3 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:access_gateway:8.0:m48.7:enterprise:*:*:*:*:* | 8.0 m48.7 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:access_gateway:8.0:m49.2:enterprise:*:*:*:*:* | 8.0 m49.2 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:access_gateway:8.0:m59.1:enterprise:*:*:*:*:* | 8.0 m59.1 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:access_gateway:8.1-69.4:*:enterprise:*:*:*:*:* | 8.1-69.4 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:access_gateway:9.0.71.3:*:enterprise:*:*:*:*:* | 9.0.71.3 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:access_gateway:9.1-104.5:*:enterprise:*:*:*:*:* | 9.1-104.5 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:access_gateway:4.5:*:advanced:*:*:*:*:* | 4.5 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:access_gateway:4.5:*:standard:*:*:*:*:* | 4.5 | Vulnerable | Citrix |
- cpe:2.3:a:citrix:access_gateway:*:*:enterprise:*:*:*:*:* Versions up to 9.2-49.8 Vulnerable ·Citrix
- cpe:2.3:a:citrix:access_gateway:.8.0:m50.3:enterprise:*:*:*:*:* Versions .8.0 m50.3 Vulnerable ·Citrix
- cpe:2.3:a:citrix:access_gateway:8.0:m48.7:enterprise:*:*:*:*:* Versions 8.0 m48.7 Vulnerable ·Citrix
- cpe:2.3:a:citrix:access_gateway:8.0:m49.2:enterprise:*:*:*:*:* Versions 8.0 m49.2 Vulnerable ·Citrix
- cpe:2.3:a:citrix:access_gateway:8.0:m59.1:enterprise:*:*:*:*:* Versions 8.0 m59.1 Vulnerable ·Citrix
- cpe:2.3:a:citrix:access_gateway:8.1-69.4:*:enterprise:*:*:*:*:* Versions 8.1-69.4 Vulnerable ·Citrix
- cpe:2.3:a:citrix:access_gateway:9.0.71.3:*:enterprise:*:*:*:*:* Versions 9.0.71.3 Vulnerable ·Citrix
- cpe:2.3:a:citrix:access_gateway:9.1-104.5:*:enterprise:*:*:*:*:* Versions 9.1-104.5 Vulnerable ·Citrix
- cpe:2.3:a:citrix:access_gateway:4.5:*:advanced:*:*:*:*:* Versions 4.5 Vulnerable ·Citrix
- cpe:2.3:a:citrix:access_gateway:4.5:*:standard:*:*:*:*:* Versions 4.5 Vulnerable ·Citrix
Show 8 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:citrix:access_gateway:4.5:hf1:*:*:*:*:*:* | 4.5 hf1 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:access_gateway:4.5:hf1:advanced:*:*:*:*:* | 4.5 hf1 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:access_gateway:4.5.5:*:standard:*:*:*:*:* | 4.5.5 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:access_gateway:4.5.6:*:standard:*:*:*:*:* | 4.5.6 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:access_gateway:4.5.7:*:standard:*:*:*:*:* | 4.5.7 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:access_gateway:4.6.1:*:standard:*:*:*:*:* | 4.6.1 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:access_gateway:4.6.2:*:standard:*:*:*:*:* | 4.6.2 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:access_gateway:4.6.3:*:standard:*:*:*:*:* | 4.6.3 | Vulnerable | Citrix |
- cpe:2.3:a:citrix:access_gateway:4.5:hf1:*:*:*:*:*:* Versions 4.5 hf1 Vulnerable ·Citrix
- cpe:2.3:a:citrix:access_gateway:4.5:hf1:advanced:*:*:*:*:* Versions 4.5 hf1 Vulnerable ·Citrix
- cpe:2.3:a:citrix:access_gateway:4.5.5:*:standard:*:*:*:*:* Versions 4.5.5 Vulnerable ·Citrix
- cpe:2.3:a:citrix:access_gateway:4.5.6:*:standard:*:*:*:*:* Versions 4.5.6 Vulnerable ·Citrix
- cpe:2.3:a:citrix:access_gateway:4.5.7:*:standard:*:*:*:*:* Versions 4.5.7 Vulnerable ·Citrix
- cpe:2.3:a:citrix:access_gateway:4.6.1:*:standard:*:*:*:*:* Versions 4.6.1 Vulnerable ·Citrix
- cpe:2.3:a:citrix:access_gateway:4.6.2:*:standard:*:*:*:*:* Versions 4.6.2 Vulnerable ·Citrix
- cpe:2.3:a:citrix:access_gateway:4.6.3:*:standard:*:*:*:*:* Versions 4.6.3 Vulnerable ·Citrix
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2010-4566
- 2026-10-03 Alias added: GHSA-9p2p-8259-272j
References
More Citrix Access Gateway vulnerabilities
- TI-2011-02535 Stack-based buffer overflow in the NSEPA.NsepaCtrl.1 ActiveX control in nsepa.ocx in… CVSS 2.0HIGH 9.3
- TI-2008-02420 Unspecified vulnerability in Citrix Access Gateway Standard Edition 4.5.7 and earlier and… CVSS 2.0HIGH 10.0
- TI-2007-03886 Multiple unspecified vulnerabilities in (1) Net6Helper.DLL (aka Net6Launcher Class) 4.5.2… CVSS 2.0HIGH 9.3
- TI-2011-02536 The NSEPA.NsepaCtrl.1 ActiveX control in nsepa.ocx in Citrix Access Gateway Enterprise… CVSS 2.0HIGH 9.3
- TI-2007-03889 Cross-site request forgery (CSRF) vulnerability in the web-based administration console… CVSS 2.0HIGH 7.6
- TI-2007-03888 Unspecified vulnerability in the client components in Citrix Access Gateway Standard… CVSS 2.0MEDIUM 6.8
Sources
- CVE-2010-4566 · CVE Program
- CVE-2010-4566 · NVD
- FIRST EPSS
- GHSA-9p2p-8259-272j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences