CVE-2021-23192

Published: Mar 2, 2022Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

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.

Affected (3)

Products: Samba: Samba

Samba

1 product

Samba

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Samba Samba	From 4.10.0 to 4.13.14
Samba Samba	From 4.14.0 to 4.14.10
Samba Samba	From 4.15.0 to 4.15.2

Related CWEs

CWE-20

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (8)

https://bugzilla.redhat.com/show_bug.cgi?id=2019666

Source: secalert@redhat.com

Issue TrackingThird Party Advisory

https://security.gentoo.org/glsa/202309-06

Source: secalert@redhat.com

https://ubuntu.com/security/CVE-2021-23192

Source: secalert@redhat.com

Third Party Advisory

https://www.samba.org/samba/security/CVE-2021-23192.html

Source: secalert@redhat.com

PatchVendor Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=2019666

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingThird Party Advisory

https://security.gentoo.org/glsa/202309-06

Source: af854a3a-2127-422b-91ae-364da2661108

https://ubuntu.com/security/CVE-2021-23192

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://www.samba.org/samba/security/CVE-2021-23192.html

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

No history available yet.