Hcl · Hcl Unica · CVE-2021-27777
**Name of the Vulnerable Software and Affected Versions**
No specific software or versions are mentioned.
**Description**
The issue occurs due to poorly configured XML parsers processing user-supplied input without sufficient validation, allowing attackers to manipulate XML content and inject malicious external entity references. There is no information provided about the estimated number of potentially affected devices worldwide or real-world incidents where this issue was exploited.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.