CVE-2021-27777 - CVE House
Back to Database
Status published High CVE-2021-27777

HCL Unica Platform is vulnerable to XML External Entity (XXE) injection

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-27777

Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

HCL Software

View all reports →

Affected Software

HCL Unica
Vulnerable Versions:
12 and below

Timeline

Official Publish: May 12th, 2022
Last Modified: September 16th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.