SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-3116

CRLF injection vulnerability in Dropbear SSH before 2016.72 allows remote authenticated users to bypass intended shell-command restrictions via crafted X11 forwarding data.

EXPLOITMEDIUM 6.4EPSS 19.8%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 19.8%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

CRLF injection vulnerability in Dropbear SSH before 2016.72 allows remote authenticated users to bypass intended shell-command restrictions via crafted X11 forwarding data.

CVSS 3.0
6.4 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
EPSS
19.80% probability · 97th percentile
Public exploits
1 in Exploit-DB · first 3 March 2016
CISA KEV
Not listed
Affected
dropbear ssh project/dropbear ssh
Source
cve@mitre.org
EPSS trend
0%13%25%21 September 2026: 21.15%22 September 2026: 19.30%26 October 2026: 19.80%21 September 202626 October 2026

EPSS moved from 21.1% on 21 September 2026 to 19.8% on 26 October 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-40119source ↗DropBearSSHD 2015.71 - Command Injectionlinux · tintinwebremote3 March 2016no

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