CVE-2016-3116
A public proof of concept exists; no exploitation attested.
- Published2016-03-22
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
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.
Timeline
dates in UTC- 2016-03-2210:59CVE publishedNVD
- 2026-10-2319:23First public proof of conceptPoC-in-GitHub
- 2026-10-2319:23EPSS crossed 10 %FIRST EPSS
Observed activity
isMalicious corpus · updated 2026-10-23 18:48 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-3116?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-3116?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 2015.71 | ≤ 2015.71 | no fix published | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
No fix published by the sources we read yet. NVD record
Detection
read 2026-10-23 19:23 UTC- Nuclei template
- none so far ProjectDiscovery
Sources
- NVDCVSS 3.06.4read 2026-10-23
- NVDCVSS 2.05.5read 2026-10-23
- FIRST EPSSEPSS score19.3 %read 2026-10-23
- PoC-in-GitHubproof of concept1read 2026-10-23
- Exploit-DBdetectionread 2026-10-23
Technical details
- CVSS v3 Vector
- CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- Published
- 2016-03-22
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2016-3116?
Is CVE-2016-3116 actively exploited?
What is the CVSS score for CVE-2016-3116?
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