What’s Vulnerable › Vulnerabilities

CVE-2016-5725

• Severity: medium (CVSS 5.9 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 24.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-01-19 · updated 2026-06-17
• Weakness: CWE-22

Description

Directory traversal vulnerability in JCraft JSch before 0.1.54 on Windows, when the mode is ChannelSftp.OVERWRITE, allows remote SFTP servers to write to arbitrary files via a ..\ (dot dot backslash) in a response to a recursive GET command.

Affected products

• Jcraft Jsch: through 0.1.53

References

• http://packetstormsecurity.com/files/138809/jsch-0.1.53-Path-Traversal.html
• http://seclists.org/fulldisclosure/2016/Sep/53
• http://www.jcraft.com/jsch/ChangeLog
• http://www.securityfocus.com/bid/93100
• https://access.redhat.com/errata/RHSA-2017:3115
• https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-5725
• https://lists.debian.org/debian-lts-announce/2020/04/msg00017.html
• https://www.exploit-db.com/exploits/40411/
• https://www.oracle.com/security-alerts/cpuApr2021.html
• https://www.oracle.com/security-alerts/cpujan2021.html
• https://www.oracle.com/security-alerts/cpuoct2020.html
• http://packetstormsecurity.com/files/138809/jsch-0.1.53-Path-Traversal.html

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