// For flags

CVE-2021-27777

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

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Las vulnerabilidades de inyección de entidades externas XML (XXE) se producen cuando los analizadores XML configurados inapropiadamente procesan la entrada suministrada por el usuario sin una suficiente combrobación. Los atacantes pueden explotar esta vulnerabilidad para manipular el contenido XML e inyectar referencias a entidades externas maliciosas

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-02-26 CVE Reserved
  • 2022-05-12 CVE Published
  • 2023-12-03 EPSS Updated
  • 2024-09-16 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-91: XML Injection (aka Blind XPath Injection)
  • CWE-611: Improper Restriction of XML External Entity Reference
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Hcltech
Search vendor "Hcltech"
 Unica
Search vendor "Hcltech" for product "Unica"
 < 12.1.1
Search vendor "Hcltech" for product "Unica" and version " < 12.1.1"
-
Affected