CVE-2023-41717
Inappropriate file type control in Zscaler Proxy versions 3.6.1.25 and prior allows local attackers to bypass file download/upload restrictions.
- Published
- Aug 31, 2023
- Updated
- Oct 1, 2024
- Assigning CNA
- mitre
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NLow · next 30 days
- Percentile
- 31.9%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Inappropriate file type control in Zscaler Proxy versions 3.6.1.25 and prior allows local attackers to bypass file download/upload restrictions.
Sources
1Detailed write-up and proof of concept for CVE-2023-41717, demonstrating bypass of Zscaler proxy file download/upload restrictions via HTTP Range headers and BITS protocol.
Responsible use
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