Ivanti Connect Secure up to 22.7R2.0 IPsec out-of-bounds

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 (≈)
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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.
7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Ivanti Connect Secure up to 22.7R2.0. It has been classified as critical. This issue affects some unknown processing of the component IPsec. This manipulation causes out-of-bounds. The identification of this vulnerability is CVE-2024-37401. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Ivanti Connect Secure up to 22.7R2.0. Affected by this vulnerability is an unknown code block of the component IPsec. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. The summary by CVE is:

An out-of-bounds read in IPsec of Ivanti Connect Secure before version 22.7R2.1 allows a remote unauthenticated attacker to cause a denial of service.

The advisory is shared at forums.ivanti.com. This vulnerability is known as CVE-2024-37401 since 06/08/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 212764 (Pulse Connect Secure < 22.7R2.1 Denial of Service), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 22.7R2.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (212764). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (hackerone): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 212764
Nessus Name: Pulse Connect Secure < 22.7R2.1 Denial of Service

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Connect Secure 22.7R2.1

Timelineinfo

06/08/2024 🔍
12/11/2024 +186 days 🔍
12/11/2024 +0 days 🔍
07/02/2025 +203 days 🔍

Sourcesinfo

Advisory: forums.ivanti.com
Status: Confirmed

CVE: CVE-2024-37401 (🔍)
GCVE (CVE): GCVE-0-2024-37401
GCVE (VulDB): GCVE-100-287929

Entryinfo

Created: 12/11/2024 20:37
Updated: 07/02/2025 22:41
Changes: 12/11/2024 20:37 (64), 12/13/2024 18:52 (2), 07/02/2025 22:41 (1)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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