VULNERABILITY INTELLIGENCE
CVE-2021-20838
CVSS score7.5 HIGH
EPSS probability1.52%
CISA KEVNot currently listed
Published2021-11-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
Office Server Document Converter V7.2MR4 and earlier and V7.1MR7 and earlier allows a remote unauthenticated attacker to conduct an XML External Entity (XXE) attack to cause a denial of service (DoS) condition by processing a specially crafted XML document.
Weakness classification
- nvd@nist.gov: CWE-611
Primary references
- vultures@jpcert.or.jp — Third Party Advisory
- vultures@jpcert.or.jp — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory