CVE-2016-4434
Estado: ModificadaAlta (7.8)—
Apache Tika before 1.13 does not properly initialize the XML parser or choose handlers, which might allow remote attackers to conduct XML External Entity (XXE) attacks via vectors involving (1) spreadsheets in OOXML files and (2) XMP metadata in PDF and other file formats, a related issue to CVE-2016-2175.
CVSS
- Versión: 3.0
- Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 3.57%
- Percentil entre todas las CVEs puntuadas: 89
- 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 (1)
CWE
- CWE-611
Referencias
- http://rhn.redhat.com/errata/RHSA-2017-0248.html
- http://rhn.redhat.com/errata/RHSA-2017-0249.html
- http://rhn.redhat.com/errata/RHSA-2017-0272.html
- http://www.securityfocus.com/archive/1/538500/100/0/threaded
- https://lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451%40%3Csolr-user.lucene.apache.org%3E
- https://mail-archives.apache.org/mod_mbox/tika-dev/201605.mbox/%3C1705136517.1175366.1464278135251.JavaMail.yahoo%40mail.yahoo.com%3E
- http://rhn.redhat.com/errata/RHSA-2017-0248.html
- http://rhn.redhat.com/errata/RHSA-2017-0249.html
- http://rhn.redhat.com/errata/RHSA-2017-0272.html
- http://www.securityfocus.com/archive/1/538500/100/0/threaded
- https://lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451%40%3Csolr-user.lucene.apache.org%3E
- https://mail-archives.apache.org/mod_mbox/tika-dev/201605.mbox/%3C1705136517.1175366.1464278135251.JavaMail.yahoo%40mail.yahoo.com%3E
JSON original (NVD)
Mostrar
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"value": "Las versiones anteriores a la 1.13 de Apache Tika no inicializan el analizador sintáctico XML o elige los manipuladores correctamente, lo que podría permitir que los atacantes remotos lleven a cabo ataques XEE (XML External Entity) mediante vectores que implican (1) hojas de cálculo en archivos OOXML y (2) metadatos XMP en PDF y otros formatos de archivo. Este problema se relaciona con CVE-2016-2175."
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"lastModified": "2026-06-17T00:47:32.970",
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