CVE-2024-21894

Description

A heap overflow vulnerability in IPSec component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows an unauthenticated malicious user to send specially crafted requests in-order-to crash the service thereby causing a DoS attack. In certain conditions this may lead to execution of arbitrary code

Categories

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 3.0 •
EPSS 8.33% Top 10%
Vendor Advisory ivanti.com
Affected: Ivanti Connect Secure
Affected: Ivanti Policy Secure
Published at:
Updated at:

References

Link Tags
https://forums.ivanti.com/s/article/SA-CVE-2024-21894-Heap-Overflow-CVE-2024-22052-Null-Pointer-Dereference-CVE-2024-22053-Heap-Overflow-and-CVE-2024-22023-XML-entity-expansion-or-XXE-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways?language=en_US vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-21894?
CVE-2024-21894 has been scored as a critical severity vulnerability.
How to fix CVE-2024-21894?
To fix CVE-2024-21894, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-21894 being actively exploited in the wild?
It is possible that CVE-2024-21894 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-21894?
CVE-2024-21894 affects Ivanti Connect Secure, Ivanti Policy Secure.
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