SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-5725

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.

EXPLOIT ✓MEDIUM 5.9EPSS 24.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 24.1%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.0
5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
24.14% probability · 98th percentile
Public exploits
1 in Exploit-DB · verified · first 22 September 2016
CISA KEV
Not listed
Weakness
CWE-22
Affected
jcraft/jsch
Source
cve@mitre.org
EPSS trend
0%13%25%21 September 2026: 18.24%22 September 2026: 24.14%4 November 2026: 24.14%21 September 20264 November 2026

EPSS moved from 18.2% on 21 September 2026 to 24.1% on 4 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-40411source ↗JCraft/JSch Java Secure Channel 0.1.53 - Recursive sftp-get Directory Traversalwindows · tintinwebdos22 September 2016yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.