The Citrix ICA (Independent Computing Architecture) protocol uses weak encryption (XOR) for user authentication.
Priority MEDIUM 47Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- 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 Citrix ICA (Independent Computing Architecture) protocol uses weak encryption (XOR) for user authentication.
Why it matters now
EPSS 0.02326 83rd percentileScored 2026-11-07
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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:citrix:metaframe:*:*:windows_2000:*:*:*:*:* | up to 1.8 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:metaframe:*:*:windows_nt_4.0_tse:*:*:*:*:* | up to 1.8 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:metaframe:1.0:*:unix:*:*:*:*:* | 1.0 | Vulnerable | Citrix |
| cpe:2.3:a:citrix:winframe:3.5_1.8_for_windows_nt:*:*:*:*:*:*:* | 3.5_1.8_for_windows_nt | Vulnerable | Citrix |
- cpe:2.3:a:citrix:metaframe:*:*:windows_2000:*:*:*:*:* Versions up to 1.8 Vulnerable ·Citrix
- cpe:2.3:a:citrix:metaframe:*:*:windows_nt_4.0_tse:*:*:*:*:* Versions up to 1.8 Vulnerable ·Citrix
- cpe:2.3:a:citrix:metaframe:1.0:*:unix:*:*:*:*:* Versions 1.0 Vulnerable ·Citrix
- cpe:2.3:a:citrix:winframe:3.5_1.8_for_windows_nt:*:*:*:*:*:*:* Versions 3.5_1.8_for_windows_nt Vulnerable ·Citrix
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2000-0244
- 2026-10-03 Alias added: GHSA-c2cj-5326-gh33
References
—
More Citrix Metaframe vulnerabilities
- TI-2007-02757 The Session Reliability Service (XTE) in Citrix MetaFrame Presentation Server 3.0… CVSS 2.0HIGH 10.0
- TI-2007-00431 Stack-based buffer overflow in the print provider library (cpprov.dll) in Citrix… CVSS 2.0HIGH 7.2
- TI-2006-05605 Heap-based buffer overflow in the IMA_SECURE_DecryptData1 function in ImaSystem.dll for… CVSS 2.0HIGH 7.5
- TI-2005-02962 Citrix Metaframe Presentation Server 3.0 and 4.0 allows remote attackers to bypass policy… CVSS 2.0HIGH 7.5
- TI-2001-00865 CITRIX Metaframe 1.8 logs the Client Address (IP address) that is provided by the client… CVSS 2.0HIGH 7.5
- TI-2006-03666 Citrix MetaFrame up to XP 1.0 Feature 1, except when running on Windows Server 2003… CVSS 2.0MEDIUM 6.5
Sources
- CVE-2000-0244 · CVE Program
- CVE-2000-0244 · NVD
- FIRST EPSS
- GHSA-c2cj-5326-gh33 · 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