CVE-2021-20838
moderate-risk
Published 2021-11-01
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.
Do I need to act?
-
0.72% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Products (20)
Office Server Document Converter
Office Server Document Converter
Office Server Document Converter
Office Server Document Converter
Office Server Document Converter
Office Server Document Converter
Office Server Document Converter
Office Server Document Converter
Office Server Document Converter
Office Server Document Converter
Office Server Document Converter
Office Server Document Converter
Office Server Document Converter
Office Server Document Converter
Office Server Document Converter
Office Server Document Converter
Office Server Document Converter
Office Server Document Converter
Office Server Document Converter
Office Server Document Converter
Affected Vendors
References (4)
Third Party Advisory
https://jvn.jp/en/jp/JVN33453839/index.html
Third Party Advisory
https://jvn.jp/en/jp/JVN33453839/index.html
49
/ 100
moderate-risk
Severity
26/34 · High
Exploitability
2/34 · Minimal
Exposure
21/34 · High