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CVE-2016-2118

7.5
HIGHCVSS v3.1 Base Score
78.52%
HIGH RiskEPSS (99th percentile)

The MS-SAMR and MS-LSAD protocol implementations in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 mishandle DCERPC connections, which allows man-in-the-middle attackers to perform protocol-downgrade attacks and impersonate users by modifying the client-server data stream, aka "BADLOCK."

Published: 4/12/2016
Modified: 5/6/2026
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Vulnerability Summary

CVSS v3 Score

7.5HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2 Score

6.8

AV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS Score (Exploitation Probability)

78.52%HIGH Exploitation Risk
99th percentile

This vulnerability has a 78.52% probability of being exploited in the next 30 days, ranking higher than 99% of all scored CVEs.

CWE Classification

Related Vulnerabilities

Same Weakness Type(CWE-254)

Similar SeverityHIGH