CVE-2016-5725Jsch Path Traversal
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.
Published Apr 21, 2021 · Updated Sep 10, 2026 · Also known as DEBIAN-CVE-2016-5725, DLA-2184-1, DLA-611-1, GHSA-q446-82vq-w674, SUSE-SU-2017:0715-1
Key Facts
Routine patching- CVE-2016-5725 is a medium-severity vulnerability (CVSS 5.9 v3.1) affecting Jsch (Jcraft), hadoop-fips-3.3.6 (chainguard), com.jcraft:jsch (maven).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 24% probability of exploitation in the next 30 days.
- Fixed versions are available, including com.jcraft:jsch 0.1.54, hadoop-fips-3.3.6 3.3.6-r21, Jsch 0.1.53.
- Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
Scores
CVSS v3.1
5.9
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS (30-day exploit likelihood)
24%
Higher than 97.8% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
35/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
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
16 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| JschJcraft | See advisory | 0.1.53 |
| hadoop-fips-3.3.6chainguard | See advisory | 3.3.6-r21 |
| com.jcraft:jschmaven | See advisory | 0.1.54 |
Patched Releases
com.jcraft:jsch
0.1.54
hadoop-fips-3.3.6
3.3.6-r21
Jsch
0.1.53, 0.1.42-2+deb7u1, 0.1.51-1+deb8u1, 0.1.54-1, 0.1.54-3.1
Timeline
Publicly disclosed
Apr 21, 2021
Last updated
Sep 10, 2026
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
References
- advisorynvd.nist.gov · CVE-2016-5725
- advisorysecurity-tracker.debian.org · CVE-2016-5725
- advisorybugzilla.suse.com · 997542
- advisoryGHSA advisory
- advisory40411
FAQ
Common Questions.
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: Jsch (Jcraft); hadoop-fips-3.3.6 (chainguard); com.jcraft:jsch (maven). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including com.jcraft:jsch 0.1.54, hadoop-fips-3.3.6 3.3.6-r21, Jsch 0.1.53.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
Is CVE-2016-5725 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
Request A Demo