CVE-2021-20839

MediumCVSS 6.5/10Last modified Jun 17, 2026

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 to the other servers by processing a specially crafted XML document.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Nov 1, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-20839: Medium severity, CVSS 6.5 | Vulnix