CVE-2016-2110
5.9
MEDIUM
CVSS 3.1
EPSS 17.7%
Description
The NTLMSSP authentication implementation 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 allows man-in-the-middle attackers to perform protocol-downgrade attacks by modifying the client-server data stream to remove application-layer flags or encryption settings, as demonstrated by clearing the NTLMSSP_NEGOTIATE_SEAL or NTLMSSP_NEGOTIATE_SIGN option to disrupt LDAP security.
How to fix CVE-2016-2110
To remediate CVE-2016-2110, upgrade the affected package to a fixed version below.
- —upgrade to 2:4.3.7+dfsg-1 or later
Is CVE-2016-2110 being exploited?
Moderate — EPSS is 17.7%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 2:4.3.7+dfsg-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |