CVE-2015-5296
Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 supports connections that are encrypted but unsigned, which allows man-in-the-middle attackers to conduct
02 Description
Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 supports connections that are encrypted but unsigned, which allows man-in-the-middle attackers to conduct
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 7.26% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 94.2% of scored records. A rank, not a probability.
- NVD base score
- 5.4 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/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.
04 Metadata
- Published
- 2015-12-29 22:00Z10 YR AGO
- Last updated
- 2024-08-06 06:41Z2 YR AGO
- Reserved
- 2015-07-01
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 30d039f7f2e01bae23fb72ce43d56d652dbe51717766ba99d481df93856f2630
05 Affected products
06 References
- git.samba.orghttps://git.samba.org/?p=samba.git%3Ba=commit%3Bh=a819d2b440aafa3138d95ff6e8b824da885a70e9
- lists.fedoraproject.orgFEDORA-2015-0e0879cc8ahttp://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.html
- git.samba.orghttps://git.samba.org/?p=samba.git%3Ba=commit%3Bh=1ba49b8f389eda3414b14410c7fbcb4041ca06b1
- lists.opensuse.orgopenSUSE-SU-2016:1064http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html
- www.ubuntu.comUSN-2855-2http://www.ubuntu.com/usn/USN-2855-2
- lists.opensuse.orgSUSE-SU-2016:0032http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00002.html
- lists.opensuse.orgSUSE-SU-2015:2304http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.html
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- lists.opensuse.orgSUSE-SU-2015:2305http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.html
- www.securityfocus.com79732http://www.securityfocus.com/bid/79732
- lists.opensuse.orgSUSE-SU-2016:0164http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00017.html
- lists.opensuse.orgopenSUSE-SU-2015:2354http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.html
- lists.fedoraproject.orgFEDORA-2015-b36076d32ehttp://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.html
- lists.opensuse.orgopenSUSE-SU-2016:1106http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html
- h20566.www2.hpe.comhttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993
- git.samba.orghttps://git.samba.org/?p=samba.git%3Ba=commit%3Bh=d724f835acb9f4886c0001af32cd325dbbf1f895
- www.securitytracker.com1034493http://www.securitytracker.com/id/1034493
- www.debian.orgDSA-3433http://www.debian.org/security/2016/dsa-3433
- lists.opensuse.orgopenSUSE-SU-2016:1107http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
- security.gentoo.orgGLSA-201612-47https://security.gentoo.org/glsa/201612-47
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1290292
- www.samba.orghttps://www.samba.org/samba/security/CVE-2015-5296.html
- www.ubuntu.comUSN-2855-1http://www.ubuntu.com/usn/USN-2855-1
- lists.opensuse.orgopenSUSE-SU-2015:2356http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html
07 Fixed in
Debian 12
- samba Fixed in 2:4.1.22+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- samba Fixed in 2:4.1.22+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- samba Fixed in 2:4.1.22+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- samba Fixed in 2:4.1.6+dfsg-1ubuntu2.14.04.11
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- samba Fixed in 2:4.3.3+dfsg-1ubuntu1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.