High severity7.5NVD Advisory· Published Nov 1, 2021· Updated Jun 17, 2026
CVE-2021-20838
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- Range: V7.2MR4 and earlier and V7.1MR7 and earlier
- Range: V7.2MR4 and earlier and V7.1MR7 and earlier
- Antenna House, Inc./Office Server Document Converterv5Range: V7.2MR4 and earlier and V7.1MR7 and earlier
Patches
Vulnerability mechanics
References
2- www.antenna.co.jp/news/2021/osdc72-20211027.htmlnvdPatchVendor Advisory
- jvn.jp/en/jp/JVN33453839/index.htmlnvdThird Party Advisory
News mentions
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