// For flags

CVE-2024-37399

Ivanti Avalanche WLAvalancheService Null Pointer Dereference Denial-of-Service Vulnerability

Severity Score

7.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

A NULL pointer dereference in WLAvalancheService in Ivanti Avalanche 6.3.1 allows a remote unauthenticated attacker to crash the service, resulting in a DoS.

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Ivanti Avalanche. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the WLAvalancheService service, which listens on TCP port 1777 by default. The issue results from dereferencing a null pointer. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

*Credits: monisc and phract
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-06-08 CVE Reserved
  • 2024-08-14 CVE Published
  • 2024-08-15 CVE Updated
  • 2024-08-26 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-476: NULL Pointer Dereference
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"
 6.4.4
Search vendor "Ivanti" for product "Avalanche" and version "6.4.4"
en
Affected