CVE-2021-3671
Estado: ModificadaMedia (6.5)—
A null pointer de-reference was found in the way samba kerberos server handled missing sname in TGS-REQ (Ticket Granting Server - Request). An authenticated user could use this flaw to crash the samba server.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 6.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 2.12%
- Percentil entre todas las CVEs puntuadas: 81
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (5)
CWE
- CWE-476
- CWE-476
Referencias
- https://bugzilla.redhat.com/show_bug.cgi?id=2013080%2C
- https://bugzilla.samba.org/show_bug.cgi?id=14770%2C
- https://github.com/heimdal/heimdal/commit/04171147948d0a3636bc6374181926f0fb2ec83a
- https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html
- https://security.netapp.com/advisory/ntap-20221215-0002/
- https://security.netapp.com/advisory/ntap-20230216-0008/
- https://www.debian.org/security/2022/dsa-5287
- https://bugzilla.redhat.com/show_bug.cgi?id=2013080%2C
- https://bugzilla.samba.org/show_bug.cgi?id=14770%2C
- https://github.com/heimdal/heimdal/commit/04171147948d0a3636bc6374181926f0fb2ec83a
- https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html
- https://security.netapp.com/advisory/ntap-20221215-0002/
- https://security.netapp.com/advisory/ntap-20230216-0008/
- https://www.debian.org/security/2022/dsa-5287
JSON original (NVD)
Mostrar
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