Home/CVE/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 recogni
CVE

CVE-2016-2114

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 recogni

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.

MEDIUM · CVSS 5.9 EPSS 0.05863
Monitor
  • EPSS percentile: top 9% of all CVEs by exploitation likelihood
Sigma rules0 YARA rules0
▤

Affected Products & Versions

1
sambaall versions
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD25 Apr 2016 · 12:59 AM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
⚑

Vendor Advisories

5
usnUSN-2950-1
rhsaRHSA-2016:0618Critical
rhsaRHSA-2016:0612Critical
rhsaRHSA-2016:0614Critical
rhsaRHSA-2016:0620Critical
🔗

References & Sources

25
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://badlock.org/
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182185.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182272.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182288.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin