Xlight FTP Server before 3.9.5 contains an information disclosure vulnerability that allows unauthenticated attackers to obtain the server's current GetTickCount() value by sending a USER command with a username ending in the :adm suffix. Attackers can trigger the admin protocol path within the standard FTP listener pre-authentication to leak timing information from the FTP 331 response without requiring a separate port or configuration change.
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Affected Vendors & Products
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History
Wed, 29 Jul 2026 18:30:00 +0000
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ssvc
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Wed, 29 Jul 2026 16:15:00 +0000
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| Description | Xlight FTP Server before 3.9.5 contains an information disclosure vulnerability that allows unauthenticated attackers to obtain the server's current GetTickCount() value by sending a USER command with a username ending in the :adm suffix. Attackers can trigger the admin protocol path within the standard FTP listener pre-authentication to leak timing information from the FTP 331 response without requiring a separate port or configuration change. | |
| Title | Xlight FTP Server < 3.9.5 Information Disclosure via USER Command | |
| Weaknesses | CWE-203 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-07-29T17:53:59.797Z
Reserved: 2026-07-28T16:06:49.774Z
Link: CVE-2026-67193
Updated: 2026-07-29T17:53:53.692Z
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OpenCVE Enrichment
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