// For flags

CVE-2021-42126

Ivanti Avalanche User Management Improper Authentication Privilege Escalation Vulnerability

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An improper authorization control vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform privilege escalation.

Se presenta una vulnerabilidad de control de autorizaciĆ³n inapropiada en Ivanti Avalanche versiones anteriores a 6.3.3 que permite a un atacante con acceso al Servicio Inforail llevar a cabo una escalada de privilegios

This vulnerability allows remote attackers to escalate privileges on affected installations of Ivanti Avalanche. Authentication is required to exploit this vulnerability.
The specific flaw exists within the userManagement.jsf page. The issue results from improper authentication. An attacker can leverage this vulnerability to escalate privileges to the level of admin.

*Credits: Piotr Bazydlo (@chudypb)
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-10-08 CVE Reserved
  • 2021-11-18 CVE Published
  • 2024-05-08 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-285: Improper Authorization
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Ivanti
Search vendor "Ivanti"
Avalanche
Search vendor "Ivanti" for product "Avalanche"
< 6.3.3
Search vendor "Ivanti" for product "Avalanche" and version " < 6.3.3"
-
Affected