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CVE-2019-9648

MediumPublished

An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. A directory traversal vulnerability exists using the SIZE command along with...

Published: Mar 22, 2019
Updated: Aug 4, 2024
Assigning CNA: mitre
Evidence observed: Mar 13, 2019

Primary CVSS

5.3/ 10Medium

nvd · CVSS 3.0

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS probability estimate

13.3%

Moderate · next 30 days

Percentile: 96.3%
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

An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. A directory traversal vulnerability exists using the SIZE command along with a \..\..\ substring, allowing an attacker to enumerate file existence based on the returned information.

Sources

Core FTP Server FTP / SFTP Server v2 Build 674 - 'SIZE' Directory TraversalExploit
Kevin Randall · windows · Mar 13, 2019

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