CVE-2016-3115

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

37.02% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.4% of scored records. A rank, not a probability.

NVD base score

6.4 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2016-03-22 10:00Z10 YR AGO

Last updated

2026-05-29 20:27Z3 MO AGO

Reserved

2016-03-10

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 6.4)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Weaknesses

• CWE-93Improper Neutralization of CRLF Sequences ('CRLF Injection')Base
• CWE-20Improper Input ValidationClass

Data version

5.2

Document digest

591f788e3c85d40336ea82cbe12f0bef1e701f91fdd515aea7ceaf7810b4f01d

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• github.comhttps://github.com/tintinweb/pub/tree/master/pocs/cve-2016-3115x_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/136234/OpenSSH-7.2p1-xauth-Command-Injection-Bypass.htmlx_refsource_MISC
• www.freebsd.orgFreeBSD-SA-16:14https://www.freebsd.org/security/advisories/FreeBSD-SA-16:14.openssh.ascvendor-advisoryx_refsource_FREEBSD
• www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlx_refsource_CONFIRM
• www.exploit-db.com39569https://www.exploit-db.com/exploits/39569/exploitx_refsource_EXPLOIT-DB
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• cvsweb.openbsd.orghttp://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/session.cx_refsource_CONFIRM
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• www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlx_refsource_CONFIRM
• cvsweb.openbsd.orghttp://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/session.c.diff?r1=1.281&r2=1.282&f=hx_refsource_CONFIRM
• lists.fedoraproject.orgFEDORA-2016-d339d610c1http://lists.fedoraproject.org/pipermail/package-announce/2016-March/180491.htmlvendor-advisoryx_refsource_FEDORA
• bto.bluecoat.comhttps://bto.bluecoat.com/security-advisory/sa121x_refsource_CONFIRM
• security.gentoo.orgGLSA-201612-18https://security.gentoo.org/glsa/201612-18vendor-advisoryx_refsource_GENTOO
• www.securityfocus.com84314http://www.securityfocus.com/bid/84314vdb-entryx_refsource_BID
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• lists.debian.org[debian-lts-announce] 20180910 [SECURITY] [DLA 1500-1] openssh security updatehttps://lists.debian.org/debian-lts-announce/2018/09/msg00010.htmlmailing-listx_refsource_MLIST
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• seclists.org20160314 CVE-2016-3116 - Dropbear SSH xauth injectionhttp://seclists.org/fulldisclosure/2016/Mar/47mailing-listx_refsource_FULLDISC
• rhn.redhat.comRHSA-2016:0465http://rhn.redhat.com/errata/RHSA-2016-0465.htmlvendor-advisoryx_refsource_REDHAT
• lists.fedoraproject.orgFEDORA-2016-188267b485http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183122.htmlvendor-advisoryx_refsource_FEDORA
• seclists.org20160314 CVE-2016-3115 - OpenSSH <=7.2p1 xauth injectionhttp://seclists.org/fulldisclosure/2016/Mar/46mailing-listx_refsource_FULLDISC
• lists.fedoraproject.orgFEDORA-2016-bb59db3c86http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178838.htmlvendor-advisoryx_refsource_FEDORA