CVE-2024-37401 Denial of service in Connect Secure
A remote unauthenticated attacker can cause a denial of service via an out-of-bounds read in the IPsec component of Ivanti Connect Secure.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-37401?
CVE-2024-37401 is a high-severity denial of service vulnerability in Ivanti Connect Secure, published on 11 Dec 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-125
Which versions are affected by CVE-2024-37401?
It affects 2 products.
Products include Ivanti Connect Secure, Ivanti Policy Secure.
How do I fix CVE-2024-37401?
No fix has been published for CVE-2024-37401 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-37401 being exploited?
There is no known exploitation of CVE-2024-37401 in the wild and no public exploit code.
Other vulnerabilities in Ivanti Connect Secure
- CVE-2021-22893 Ivanti Pulse Connect Secure Use-After-Free
- CVE-2019-11510 Ivanti Pulse Connect Secure Arbitrary File Read
- CVE-2024-21887 Ivanti Connect Secure and Policy Secure Command Injection
- CVE-2025-22457 Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow
- CVE-2025-0282 Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow
Sources
Also known as GHSA-9gpp-mwr2-q4r3.