CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 6.5. It affects Office. It may be remotely exploitable. Exploitation may require the attacker to be authenticated. It may lead to a denial-of-service condition.
CVE
CVE-2021-20839
Severity
MEDIUM
CVSS
6.5
EPSS
1.10%
Office
Original NVD 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.
Related CVEs
Other vulnerabilities affecting the same vendor(s)