CVE-2021-20838

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.72% Top 30%
Vendor Advisory co.jp
Affected: Antenna House, Inc. Office Server Document Converter
Published at:
Updated at:

References

Link Tags
https://www.antenna.co.jp/news/2021/osdc72-20211027.html patch vendor advisory
https://jvn.jp/en/jp/JVN33453839/index.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-20838?
CVE-2021-20838 has been scored as a high severity vulnerability.
How to fix CVE-2021-20838?
To fix CVE-2021-20838, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20838 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20838 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20838?
CVE-2021-20838 affects Antenna House, Inc. Office Server Document Converter.
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