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Fencer Intel
medium 6.4

CVE-2016-3116 json

CRLF injection vulnerability in Dropbear SSH before 2016.72 allows remote authenticated users to bypass intended shell-command restrictions…

published 2016-03-22 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-4169

cvss
6.4
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
19.8%
EPSS 19.8% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

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

Patch / fix

  • dropbear Debian 14, Debian 13, Debian 12 2016.72-1

debian advisories DEBIAN-CVE-2016-3116

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-2016-3116 updated cvss 5.8

dropbear: X11 forwarding input not validated properly

  • Red Hat All currently supported Red Hat products
    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-40119)
  2. Published

Exploit prediction

19.80% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-40119 DropBearSSHD 2015.71 - Command Injection remote, 2016-03-03

CVSS scores

assigned by version score vector
NVD 3.0 6.4 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
NVD 2.0 5.5 AV:N/AC:L/Au:S/C:P/I:P/A:N

References

Sources

Fencer Intel 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.