High severity7.5NVD Advisory· Published May 12, 2022· Updated Jun 17, 2026
CVE-2021-27777
CVE-2021-27777
Description
XML External Entity (XXE) injection vulnerabilities occur when poorly configured XML parsers process user supplied input without sufficient validation. Attackers can exploit this vulnerability to manipulate XML content and inject malicious external entity references.
Affected products
3- Range: 12 and below
Patches
Vulnerability mechanics
References
1- support.hcltechsw.com/csmnvdVendor Advisory
News mentions
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