THREATPORT/VULNERABILITY/CVE-2017-12150
HIGH SEVERITY

CVE-2017-12150

Samba vulnerability

CVSS
7.4
EPSS
13.3%
EPSS pct
96th
Exploited
No known
It was found that samba before 4.4.16, 4.5.x before 4.5.14, and 4.6.x before 4.6.8 did not enforce "SMB signing" when certain configuration options were enabled. A remote attacker could launch a man-in-the-middle attack and retrieve information in plain-text.
Affected vendor
Samba
Affected product
Samba
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness type (CWE)
Published
2018-07-26

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity.

Its EPSS score of 13.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2017-12150

  • Confirm whether Samba Samba is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-12150.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-12150

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-12150 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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