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cveMITRECVE-2023-3347
HistoryJul 20, 2023 - 2:54 p.m.

CVE-2023-3347

2023-07-2014:54:05
MITRE
web.nvd.nist.gov
117
samba
smb2
packet signing
vulnerability
man-in-the-middle
nvd
cve-2023-3347

5.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

33.5%

A vulnerability was found in Samba’s SMB2 packet signing mechanism. The SMB2 packet signing is not enforced if an admin configured “server signing = required” or for SMB2 connections to Domain Controllers where SMB2 packet signing is mandatory. This flaw allows an attacker to perform attacks, such as a man-in-the-middle attack, by intercepting the network traffic and modifying the SMB2 messages between client and server, affecting the integrity of the data.