ALPINE-CVE-2021-23192

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2021-23192
Published: 02 Mar 2022, 23:15
Last modified:03 Dec 2025, 22:41

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_alpine)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

02 Mar 2022, 23:15
Published
Vulnerability first disclosed
03 Dec 2025, 22:41
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Systems

  • alpine•samba

    < 4.13.17-r0 | < 4.14.12-r0 | < 4.15.2-r0 | < 4.15.2-r0 | < 4.15.2-r0 | < 4.15.2-r0 | < 4.15.2-r0 | < 4.15.2-r0 | < 4.15.2-r0 | < 4.15.2-r0 | < 4.15.2-r0

References (1)