Citrix Workspace App before 1904 for Windows has Incorrect Access Control.
Priority CRITICAL 100Exploited in the wildCWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-284.
Summary
Citrix Workspace App before 1904 for Windows has Incorrect Access Control.
Why it matters now
Exploitation Active In CISA KEV since 2021-11-03CISA due date 2022-05-03Known ransomware use
EPSS 0.08091 94th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2021-11-03 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2019-11634
- 2026-10-03 Alias added: GHSA-cqg8-w8fp-8gm6
References
More Citrix Receiver vulnerabilities
- TI-2012-03943 Citrix XenApp Online Plug-in for Windows 12.1 and earlier, and Citrix Receiver for… CVSS 3.1HIGH 7.8
Sources
- CVE-2019-11634 · CVE Program
- CVE-2019-11634 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-cqg8-w8fp-8gm6 · 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