CVE-2021-27777

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

HIGH
7.5
CVSS Score
Published: May 12, 2022 at 09:25 PM UTC
Updated: June 17, 2026 at 03:45 AM UTC
1 product affected across 1 vendorUnica

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Severity
HIGH7.5
Exploit prediction
EPSS 0.8%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 12v < 12.1.1
Affected range stops below 12.1.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

7.5HIGHHCL
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-91CWE-611

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