// For flags

CVE-2020-27871

SolarWinds Orion Platform NCM VulnerabilitySettings Directory Traversal Arbitrary File Creation Vulnerability

Severity Score

7.2
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

This vulnerability allows remote attackers to create arbitrary files on affected installations of SolarWinds Orion Platform 2020.2.1. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within VulnerabilitySettings.aspx. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-11902.

Esta vulnerabilidad permite a atacantes remotos crear archivos arbitrarios en instalaciones afectadas de SolarWinds Orion Platform versión 2020.2.1. Aunque es requerido una autenticación para explotar esta vulnerabilidad, el mecanismo de autenticación existente puede ser omitido. El fallo específico se presenta dentro del archivo VulnerabilitySettings.aspx. El problema resulta de la falta de comprobación apropiada de una ruta suministrada por el usuario antes de usarla en operaciones de archivo. Un atacante puede explotar esta vulnerabilidad para ejecutar código arbitrario en el contexto de SYSTEM. Era ZDI-CAN-11902

This vulnerability allows remote attackers to create arbitrary files on affected installations of SolarWinds Orion Platform. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.
The specific flaw exists within VulnerabilitySettings.aspx. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute arbitrary code in the context of SYSTEM.

*Credits: Anonymous
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-10-27 CVE Reserved
  • 2021-02-10 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-08-20 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CAPEC
References (1)
URL Tag Source
https://www.zerodayinitiative.com/advisories/ZDI-21-067 Third Party Advisory
URL Date SRC
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Solarwinds
Search vendor "Solarwinds"
 Orion Platform
Search vendor "Solarwinds" for product "Orion Platform"
 2020.2.1
Search vendor "Solarwinds" for product "Orion Platform" and version "2020.2.1"
-
Affected