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Fencer Vulns
medium 5.9

CVE-2016-5725 json

Improper Limitation of a Pathname to a Restricted Directory in JCraft JSch

published 2017-01-19 9 y ago modified 2026-09-10 1 mo ago also GHSA-q446-82vq-w674 , EUVD-2022-4872

cvss
5.9
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
24.1%
EPSS 24.1% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

  • maven com.jcraft:jsch 0.1.54
  • jsch Debian 14, Debian 13, Debian 12 0.1.54-1

debian advisories DEBIAN-CVE-2016-5725

  • jsch Manager Server 3.0 0.1.54-3.1

suse advisories SUSE-SU-2017:0715-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-5725 updated cvss 4.2

jsch: ChannelSftp path traversal vulnerability

  • Red Hat BPM Suite 6 jsch Red Hat JBoss A-MQ 6 jsch Red Hat JBoss BRMS 6 jsch Red Hat JBoss Data Virtualization 6 jsch Red Hat JBoss Fuse 6 jsch Red Hat JBoss Fuse Service Works 6 jsch
    affected: no fix planned “Will not fix”
  • Red Hat OpenShift Enterprise 2 jsch Red Hat Satellite 6 jsch Red Hat Virtualization 4 jsch, jsch-demo, jsch-javadoc
    affected: no fix available
  • Red Hat JBoss A-MQ 6.3 Red Hat JBoss Fuse 6.3
    fixed: vendor fix RHSA-2017:3115
  • Red Hat Enterprise Linux 5 jsch Red Hat Enterprise Linux 6 jsch, jsch-demo, jsch-javadoc Red Hat Enterprise Linux 7 jsch, jsch-demo, jsch-javadoc Red Hat JBoss Operations Network 3 jsch jsch Red Hat Software Collections rh-java-common-jsch, rh-java-common-jsch-demo, rh-java-common-jsch-javadoc
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-40411)
  2. Published

Exploit prediction

24.14% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-40411 JCraft/JSch Java Secure Channel 0.1.53 - Recursive sftp-get Directory Traversal dos, 2016-09-22

CVSS scores

assigned by version score vector
NVD 3.0 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.0 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
maven com.jcraft:jsch
<0.1.54
0.1.54

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.