CVE-2021-20838: JVN#33453839: Multiple improper restriction of XML external entity reference (XXE) vulnerabilities in Office Server Document Converter

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.