CVE-2022-36983

Ivanti Avalanche SetSettings Exposed Dangerous Function Authentication Bypass Vulnerability

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SetSettings class. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-15919.

This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the SetSettings class. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to bypass authentication on the system.

*Credits: Piotr Bazydlo (@chudypb)

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-05-26 CVE Published
2022-07-27 CVE Reserved
2024-08-03 CVE Updated
2024-11-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-306: Missing Authentication for Critical Function

CAPEC

References (2)

URL	Tag	Source
https://download.wavelink.com/Files/avalanche_v6.3.4_release_notes.txt	Release Notes
https://www.zerodayinitiative.com/advisories/ZDI-22-788	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
Ivanti Search vendor "Ivanti"		Avalanche Search vendor "Ivanti" for product "Avalanche"				>= 6.3.3.101 < 6.3.4 Search vendor "Ivanti" for product "Avalanche" and version " >= 6.3.3.101 < 6.3.4"		-		Affected