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Vulnerability record · CVE-2016-3115 · published 22 March 2016

CVE-2016-3115: Openbsd openssh vulnerability

Openbsd · Openssh

Multiple CRLF injection vulnerabilities in session.c in sshd in OpenSSH before 7.2p2 allow remote authenticated users to bypass intended shell-command restrictions via crafted X11 forwarding data, related to the (1) do_authenticated1 and (2) session_x11_req functions.

6.4 CVSS 3.1 Medium EPSS 37% · top 1.5% CWE-93 · CWE-93
6.4CVSS 3.1 base score, v2 5.5
37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
50References
17 Jun 2026Last modified by NVD

Description

Multiple CRLF injection vulnerabilities in session.c in sshd in OpenSSH before 7.2p2 allow remote authenticated users to bypass intended shell-command restrictions via crafted X11 forwarding data, related to the (1) do_authenticated1 and (2) session_x11_req functions.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/session.c
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/session.c.diff?r1=1.281&r2=1.282&f=h
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183101.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183122.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178838.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179924.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/180491.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184264.html
http://packetstormsecurity.com/files/136234/OpenSSH-7.2p1-xauth-Command-Injection-Bypass.html
http://rhn.redhat.com/errata/RHSA-2016-0465.html
http://rhn.redhat.com/errata/RHSA-2016-0466.html
http://seclists.org/fulldisclosure/2016/Mar/46
http://seclists.org/fulldisclosure/2016/Mar/47
http://www.openssh.com/txt/x11fwd.adv Vendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Vendor Advisory
http://www.securityfocus.com/bid/84314
http://www.securitytracker.com/id/1035249
https://bto.bluecoat.com/security-advisory/sa121
https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-3115
https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html
https://security.gentoo.org/glsa/201612-18
https://www.exploit-db.com/exploits/39569/
https://www.freebsd.org/security/advisories/FreeBSD-SA-16:14.openssh.asc
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/session.c
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/session.c.diff?r1=1.281&r2=1.282&f=h
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183101.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183122.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178838.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179924.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/180491.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184264.html
http://packetstormsecurity.com/files/136234/OpenSSH-7.2p1-xauth-Command-Injection-Bypass.html
http://rhn.redhat.com/errata/RHSA-2016-0465.html
http://rhn.redhat.com/errata/RHSA-2016-0466.html
http://seclists.org/fulldisclosure/2016/Mar/46
http://seclists.org/fulldisclosure/2016/Mar/47
http://www.openssh.com/txt/x11fwd.adv Vendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-3115), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.