Servers and applications
CVE-2023-3347
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…
- Severity
- Medium 5.9
- Published
- 20 Jul 2023
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Fixed in
- 4.17.10, 4.18.5
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
SambaServers and applications · cpe:a:samba:samba |
|