CVE-2016-3116
CVE-2016-3116 is a medium-severity vulnerability in Dropbear Ssh Project Dropbear Ssh with a CVSS 3.x base score of 6.4. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: Medium (CVSS 3.x base score 6.4)
- CVSS v2: 5.5
- EPSS exploit prediction: 19% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Dropbear Ssh Project Dropbear Ssh
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2016-3116?
- CVE-2016-3116 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2016-3116 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-3116?
- CVE-2016-3116 affects Dropbear Ssh Project Dropbear Ssh. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2016-3116?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2016-3116 published?
- CVE-2016-3116 was published on 2016-03-22 and last updated on 2026-06-17.
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179261.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179269.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179870.html
- http://lists.opensuse.org/opensuse-updates/2016-03/msg00105.html
- http://lists.opensuse.org/opensuse-updates/2016-03/msg00113.html
- http://packetstormsecurity.com/files/136251/Dropbear-SSHD-xauth-Command-Injection-Bypass.html
- http://seclists.org/fulldisclosure/2016/Mar/47
- https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-3115
- https://matt.ucc.asn.au/dropbear/CHANGES
- https://security.gentoo.org/glsa/201607-08
Affected products (1)
- cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:*
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