VDB-261581 · CVE-2024-29204 · EUVD-2024-26221

Ivanti Avalanche up to 6.4.2 WLAvalancheService heap-based 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.
9.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Ivanti Avalanche up to 6.4.2. It has been classified as critical. Affected by this issue is some unknown functionality of the component WLAvalancheService. The manipulation leads to heap-based overflow. This vulnerability is documented as CVE-2024-29204. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Ivanti Avalanche up to 6.4.2 and classified as very critical. This issue affects an unknown code block of the component WLAvalancheService. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A Heap Overflow vulnerability in WLAvalancheService component of Ivanti Avalanche before 6.4.3 allows a remote unauthenticated attacker to execute arbitrary commands

The advisory is shared at forums.ivanti.com. The identification of this vulnerability is CVE-2024-29204 since 03/19/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/16/2025).

Upgrading to version 6.4.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2024-26221). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Endpoint Management Software

Vendor

Ivanti

Name

Avalanche

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (HackerOne): 🔍

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: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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 6.4.3

Timelineinfo

03/19/2024 🔍
04/19/2024 +30 days 🔍
04/19/2024 +0 days 🔍
12/16/2025 +606 days 🔍

Sourcesinfo

Advisory: forums.ivanti.com
Status: Confirmed

CVE: CVE-2024-29204 (🔍)
GCVE (CVE): GCVE-0-2024-29204
GCVE (VulDB): GCVE-100-261581
EUVD: 🔍

Entryinfo

Created: 04/19/2024 07:25
Updated: 12/16/2025 19:07
Changes: 04/19/2024 07:25 (64), 12/16/2025 19:07 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.