VDB-316201 · CVE-2023-38036 · EUVD-2023-41863

Ivanti Avalanche Manager up to 6.4.0 buffer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Ivanti Avalanche Manager up to 6.4.0. The affected element is an unknown function. This manipulation causes buffer overflow. This vulnerability is handled as CVE-2023-38036. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Ivanti Avalanche Manager up to 6.4.0 and classified as critical. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A security vulnerability within Ivanti Avalanche Manager before version 6.4.1 may allow an unauthenticated attacker to create a buffer overflow that could result in service disruption or arbitrary code execution.

The advisory is shared at forums.ivanti.com. This vulnerability is known as CVE-2023-38036 since 07/12/2023. The exploitation appears to be easy. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

Upgrading to version 6.4.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2023-41863) and CERT Bund (WID-SEC-2025-1538). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

Ivanti Avalanche

Productinfo

Type

Endpoint Management Software

Vendor

Ivanti

Name

Avalanche Manager

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Avalanche Manager 6.4.1

Timelineinfo

07/12/2023 CVE reserved
07/12/2025 +731 days Advisory disclosed
07/12/2025 +0 days VulDB entry created
07/14/2025 +2 days VulDB entry last update

Sourcesinfo

Advisory: forums.ivanti.com
Status: Confirmed

CVE: CVE-2023-38036 (🔒)
GCVE (CVE): GCVE-0-2023-38036
GCVE (VulDB): GCVE-100-316201
EUVD: 🔒
CERT Bund: WID-SEC-2025-1538 - Ivanti Avalanche (Wavelink Manager): Schwachstelle ermöglicht Codeausführung oder Denial-of-Service

Entryinfo

Created: 07/12/2025 08:42
Updated: 07/14/2025 21:10
Changes: 07/12/2025 08:42 (55), 07/14/2025 16:25 (1), 07/14/2025 17:36 (1), 07/14/2025 21:10 (7)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.