VDB
CVE-2021-23192
CVE-2021-23192
PUBLISHED
CVSS 7.5 HIGH
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.
EPSS 1.95% · 80.1th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS Score
1.95%
80.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:22.04:LTS | samba | 0, 2:4.13.5+dfsg-2ubuntu3, * |
| Ubuntu:20.04:LTS | samba | 2:4.11.6+dfsg-0ubuntu1, 2:4.11.6+dfsg-0ubuntu1.1, 2:4.11.6+dfsg-0ubuntu1.2 |
Timeline
- Nov 9, 2021 CVE Published
- Mar 3, 2022 EPSS Score
- Apr 24, 2022 EPSS Score
- Jun 15, 2022 EPSS Score
- Aug 8, 2022 EPSS Score
- Nov 20, 2022 EPSS Score
- Jan 11, 2023 EPSS Score
- Mar 5, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Apr 26, 2023 EPSS Score
- Jun 17, 2023 EPSS Score
- Aug 8, 2023 EPSS Score
References
- https://www.samba.org/samba/security/CVE-2021-23192.html third-party-advisory
- https://www.samba.org/samba/history/samba-4.13.14.html third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-23192 third-party-advisory
- https://ubuntu.com/security/CVE-2021-23192 advisory
- https://ubuntu.com/security/notices/USN-5142-1 advisory