CVE-2016-2114: canonical ubuntu_linux 7PK - Security Features
CVSS: 5.9v3.0MediumModified
AliasesUBUNTU-CVE-2016-2114DEBIAN-CVE-2016-2114
Published 25-04-2016Last modified 05-08-2024
Vulnerability summary
CVE-2016-2114 is a medium (CVSS 5.9) 7PK - Security Features vulnerability in canonical ubuntu_linux. EPSS estimates a 2.68% chance of exploitation in the next 30 days, higher than 85.5% of scored vulnerabilities.
CVSS score
5.9/10
010
Medium · v3.0 (NVD)EPSS score
2.68%
0%100%
Low · +0.08 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 1Timeline
- 25-04-2016PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The SMB1 protocol implementation in Samba 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not recognize the "server signing = mandatory" setting, which allows man-in-the-middle attackers to spoof SMB servers by modifying the client-server data stream.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.9Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
2.68%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
+0.08 pp
From 2.60% on 19-09-2026
19-09-202619-10-2026
EPSS score2.68%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Canonical1 product
- ubuntu_linuxEOL14.04 | 15.10 | 16.04
Debian1 product
- samba< 2:4.3.7+dfsg-1
Samba1 product
- sambaEOL4.0.0 | 4.0.1 | 4.0.2 | 4.0.3 | 4.0.4 | 4.0.5 | 4.0.6 | 4.0.7 | 4.0.8 | 4.0.9 | 4.0.10 | 4.0.11 | 4.0.12 | 4.0.13 | 4.0.14 | 4.0.15 | 4.0.16 | 4.0.17 | 4.0.18 | 4.0.19 | 4.0.20 | 4.0.21 | 4.0.22 | 4.0.23 | 4.0.24 | 4.0.25 | 4.0.26 | 4.1.0 | 4.1.1 | 4.1.2 | 4.1.3 | 4.1.4 | 4.1.5 | 4.1.6 | 4.1.7 | 4.1.8 | 4.1.9 | 4.1.10 | 4.1.11 | 4.1.12 | 4.1.13 | 4.1.14 | 4.1.15 | 4.1.16 | 4.1.17 | 4.1.18 | 4.1.19 | 4.1.20 | 4.1.21 | 4.1.22 | 4.1.23 | 4.2.0:rc1 | 4.2.0:rc2 | 4.2.0:rc3 | 4.2.0:rc4 | 4.2.1 | 4.2.2 | 4.2.3 | 4.2.4 | 4.2.5 | 4.2.6 | 4.2.7 | 4.2.8 | 4.2.9 | 4.3.0 | 4.3.1 | 4.3.2 | 4.3.3 | 4.3.4 | 4.3.5 | 4.3.6 | 4.4.0
Ubuntu1 product
- samba< 2:4.3.8+dfsg-0ubuntu0.14.04.2 | < 2:4.3.8+dfsg-0ubuntu1
4 vendors · 4 products
References
29 links- www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.458012Vendor AdvisoryX Refsource SLACKWARE
- badlock.orgX Refsource MISC
- www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlX Refsource CONFIRM
- www.samba.org/samba/history/samba-4.2.10.htmlX Refsource CONFIRM
- lists.fedoraproject.org/pipermail/package-announce/2016-April/182185.htmlVendor AdvisoryX Refsource FEDORA
Show all 29 references
- www.samba.org/samba/latest_news.htmlX Refsource CONFIRM
- lists.fedoraproject.org/pipermail/package-announce/2016-April/182272.htmlVendor AdvisoryX Refsource FEDORA
- bto.bluecoat.com/security-advisory/sa122X Refsource CONFIRM
- lists.fedoraproject.org/pipermail/package-announce/2016-April/182288.htmlVendor AdvisoryX Refsource FEDORA
