CVE-2021-23192
HIGHSamba 4.10.0-4.13.13 - DCE/RPC Request Fragment Signature Bypass
Title source: llmDescription
A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker could replace later fragments with their own data, bypassing the signature requirements.
References (4)
Core 4
Core References
Third Party Advisory vendor-advisory
https://security.gentoo.org/glsa/202309-06
Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2019666
Third Party Advisory
https://ubuntu.com/security/CVE-2021-23192
Patch, Vendor Advisory
https://www.samba.org/samba/security/CVE-2021-23192.html
Scores
CVSS v3
7.5
EPSS
0.0011
EPSS Percentile
28.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Details
CWE
CWE-20
Status
published
Products (1)
samba/samba
4.10.0 - 4.13.14
Published
Mar 02, 2022
Tracked Since
Feb 18, 2026