CVE-2024-38649

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-11-13 · updated 2026-06-17
Weakness: CWE-125

Description

An out-of-bounds write in IPsec of Ivanti Connect Secure before version 22.7R2.1(Not Applicable to 9.1Rx) allows a remote unauthenticated attacker to cause a denial of service.

Affected products

Ivanti Connect Secure (Pulse Secure): before 9.1; from 21.9 before 22.7; 9.1, 22.7, 22.7-r1, 22.7-r1.1, 22.7-r1.2, 22.7-r1.3 (+3) — fixed in 22.7, 9.1

How to fix

Upgrade to a fixed version: Ivanti Connect Secure (Pulse Secure) 22.7, 9.1. Check the vendor advisory for mitigations.

References

https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-ICS-Ivanti-Policy-Secure-IPS-Ivanti-Secure-Access-Client-ISAC-Multiple-CVEs

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