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HIGH

CVE-2017-12151

CVE-2017-12151 Vulnerability Analysis & Exploit Intelligence

A flaw was found in the way samba client before samba 4.4.16, samba 4.5.14 and samba 4.6.8 used encryption with the max protocol set as SMB3. The connection could lose the requirement for signing and encrypting to any DFS redirects, allowing an attacker to read or alter the contents of the connection via a man-in-the-middle attack.

Published Updated Sources: cvelistV5, redhat

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.

Exploitation

Unreported

no source claims exploitation

EPSS

5%

chance of exploitation in 30 days

Affects

samba

samba

CVSS base

7.4

HIGH

Affected scope

The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.

Vendors (1)

samba

Products (1)

samba

Every base score collected

Sources score independently and disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactSource
7.4CVSS 3.0HIGH——cvelistV5

Weakness & attack patterns

  • CWE-300

Attack patterns reported against this CVE. The ATT&CK techniques below are inferred from its weakness class.

  • T1040Network Sniffing
  • T1185Man in the Browser
  • T1557Adversary-in-the-Middle

References

9 on the record

Elsewhere on this site

  • sambaevery CVE for this vendor
  • CWE-300other pages naming this weakness

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

  • No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
  • No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
  • No exploit packet captures, log samples, or incident case IDs supplied.