CVE-2016-2047
Estado: ModificadaMedia (5.9)—
The ssl_verify_server_cert function in sql-common/client.c in MariaDB before 5.5.47, 10.0.x before 10.0.23, and 10.1.x before 10.1.10; Oracle MySQL 5.5.48 and earlier, 5.6.29 and earlier, and 5.7.11 and earlier; and Percona Server do not properly verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via a "/CN=" string in a field in a certificate, as demonstrated by "/OU=/CN=bar.com/CN=foo.com."
CVSS
- Versión: 3.0
- Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- Puntuación base: 5.9
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 3.74%
- Percentil entre todas las CVEs puntuadas: 90
- Fecha de la puntuación: 7/10/2026
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 (7)
CWE
- CWE-254
Referencias
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00035.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00053.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00033.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00034.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00051.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00053.html
- http://rhn.redhat.com/errata/RHSA-2016-0534.html
- http://rhn.redhat.com/errata/RHSA-2016-0705.html
- http://rhn.redhat.com/errata/RHSA-2016-1480.html
- http://rhn.redhat.com/errata/RHSA-2016-1481.html
- http://www.debian.org/security/2016/dsa-3453
- http://www.debian.org/security/2016/dsa-3557
- http://www.openwall.com/lists/oss-security/2016/01/26/3
- http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securityfocus.com/bid/81810
- http://www.securitytracker.com/id/1035606
- http://www.ubuntu.com/usn/USN-2953-1
- http://www.ubuntu.com/usn/USN-2954-1
- https://access.redhat.com/errata/RHSA-2016:1132
- https://mariadb.atlassian.net/browse/MDEV-9212
- https://mariadb.com/kb/en/mariadb/mariadb-10110-release-notes/
- https://mariadb.com/kb/en/mariadb/mariadb-5547-release-notes/
- https://mariadb.com/kb/en/mdb-10023-rn/
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00035.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00053.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00033.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00034.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00051.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00053.html
- http://rhn.redhat.com/errata/RHSA-2016-0534.html
- http://rhn.redhat.com/errata/RHSA-2016-0705.html
- http://rhn.redhat.com/errata/RHSA-2016-1480.html
- http://rhn.redhat.com/errata/RHSA-2016-1481.html
- http://www.debian.org/security/2016/dsa-3453
- http://www.debian.org/security/2016/dsa-3557
- http://www.openwall.com/lists/oss-security/2016/01/26/3
- http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securityfocus.com/bid/81810
- http://www.securitytracker.com/id/1035606
- http://www.ubuntu.com/usn/USN-2953-1
- http://www.ubuntu.com/usn/USN-2954-1
- https://access.redhat.com/errata/RHSA-2016:1132
- https://mariadb.atlassian.net/browse/MDEV-9212
- https://mariadb.com/kb/en/mariadb/mariadb-10110-release-notes/
- https://mariadb.com/kb/en/mariadb/mariadb-5547-release-notes/
- https://mariadb.com/kb/en/mdb-10023-rn/
JSON original (NVD)
Mostrar
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"value": "The ssl_verify_server_cert function in sql-common/client.c in MariaDB before 5.5.47, 10.0.x before 10.0.23, and 10.1.x before 10.1.10; Oracle MySQL 5.5.48 and earlier, 5.6.29 and earlier, and 5.7.11 and earlier; and Percona Server do not properly verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via a \"/CN=\" string in a field in a certificate, as demonstrated by \"/OU=/CN=bar.com/CN=foo.com.\""
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"lastModified": "2026-06-17T00:43:19.593",
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"matchCriteriaId": "E88A537F-F4D0-46B9-9E37-965233C2A355"
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}