// For flags

CVE-2021-44145

Apache NiFi information disclosure by XXE

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

In the TransformXML processor of Apache NiFi before 1.15.1 an authenticated user could configure an XSLT file which, if it included malicious external entity calls, may reveal sensitive information.

En el procesador TransformXML de Apache NiFi versiones anteriores a 1.15.1, un usuario autenticado podía configurar un archivo XSLT que, si incluía llamadas a entidades externas maliciosas, podía revelar información confidencial

*Credits: This issue was discovered by DangKhai at Viettel Cyber Security.
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-11-22 CVE Reserved
  • 2021-12-17 CVE Published
  • 2023-12-14 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Apache
Search vendor "Apache"
 Nifi
Search vendor "Apache" for product "Nifi"
 >= 0.1.0 < 1.15.1
Search vendor "Apache" for product "Nifi" and version " >= 0.1.0 < 1.15.1"
-
Affected