HCL Unica Platform is vulnerable to XML External Entity (XXE) injection
Priority LOW 34CWE-91Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.00846 58th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| HCL Software | HCL Unica | up to 12 | — | No fix listed | CNA |
- HCL Unica VendorHCL Software Affected up to 12 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hcltech:unica:*:*:*:*:*:*:*:* | before 12.1.1 | Vulnerable | HCL Software |
- cpe:2.3:a:hcltech:unica:*:*:*:*:*:*:*:* Versions before 12.1.1 Vulnerable ·HCL Software
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27777
- 2026-10-03 Alias added: GHSA-cvfm-9587-3rg8
References
More HCL Software Unica vulnerabilities
- TI-2025-38606 Boolean-Based SQL Injection in Multiple Unica Components CVSS 3.1CRITICAL 9.8
- TI-2023-19103 HCL Unica Platform is vulnerable to a privilege escalation by unauthorized group assignation CVSS 3.1HIGH 8.8
- TI-2023-19102 An XML External Entity (XXE) Injection Vulnerability affects HCL Unica Platform CVSS 3.1HIGH 8.8
- TI-2025-32410 CSV formula injection vulnerability in HCL Technologies Ltd. CVSS 3.1HIGH 7.5
- TI-2025-32696 HCL Unica 12.1.10 is affected by an exposure of sensitive information CVSS 3.1HIGH 7.5
- TI-2023-19106 A Persistent Cross-site Scripting (XSS) vulnerability affects HCL Unica Campaign CVSS 3.1HIGH 8.1
Sources
- CVE-2021-27777 · CVE Program
- CVE-2021-27777 · NVD
- FIRST EPSS
- GHSA-cvfm-9587-3rg8 · GitHub Advisory Database · CC BY 4.0
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