VIR Vulnerability Intelligence Relay

CVE-2016-2114

medium
Published 2016-04-25 · Modified 2026-05-06
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CVSS v3
5.9
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v4 NEW
—
not yet in upstream
VIR risk
5.9

Description

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.

Predictions

Exploit likelihood
69%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact
suse SUSE Affected 1 release
VersionStatusFixed in
— Affected —
ubuntu Ubuntu Affected 3 releases
VersionStatusFixed in
16.04 Affected —
15.10 Affected —
14.04 Affected —
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 2:4.3.7+dfsg-1
sid Fixed 2:4.3.7+dfsg-1
forky Fixed 2:4.3.7+dfsg-1
bullseye Fixed 2:4.3.7+dfsg-1
bookworm Fixed 2:4.3.7+dfsg-1

Application impact
VendorProductVersionsFixed
sambasamba4.0.0
sambasamba4.0.1
sambasamba4.0.2
sambasamba4.0.3
sambasamba4.0.4
sambasamba4.0.5
sambasamba4.0.6
sambasamba4.0.7
sambasamba4.0.8
sambasamba4.0.9
sambasamba4.0.10
sambasamba4.0.11
sambasamba4.0.12
sambasamba4.0.13
sambasamba4.0.14
sambasamba4.0.15
sambasamba4.0.16
sambasamba4.0.17
sambasamba4.0.18
sambasamba4.0.19
sambasamba4.0.20
sambasamba4.0.21
sambasamba4.0.22
sambasamba4.0.23
sambasamba4.0.24
sambasamba4.0.25
sambasamba4.0.26
sambasamba4.1.0
sambasamba4.1.1
sambasamba4.1.2
sambasamba4.1.3
sambasamba4.1.4
sambasamba4.1.5
sambasamba4.1.6
sambasamba4.1.7
sambasamba4.1.8
sambasamba4.1.9
sambasamba4.1.10
sambasamba4.1.11
sambasamba4.1.12
sambasamba4.1.13
sambasamba4.1.14
sambasamba4.1.15
sambasamba4.1.16
sambasamba4.1.17
sambasamba4.1.18
sambasamba4.1.19
sambasamba4.1.20
sambasamba4.1.21
sambasamba4.1.22
sambasamba4.1.23
sambasamba4.2.0
sambasamba4.2.1
sambasamba4.2.2
sambasamba4.2.3
sambasamba4.2.4
sambasamba4.2.5
sambasamba4.2.6
sambasamba4.2.7
sambasamba4.2.8
sambasamba4.2.9
sambasamba4.3.0
sambasamba4.3.1
sambasamba4.3.2
sambasamba4.3.3
sambasamba4.3.4
sambasamba4.3.5
sambasamba4.3.6
sambasamba4.4.0

References

CWEs

CWE-254

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.