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CRITICAL · 9.8

CVE-2024-21894

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 c...

Vulnerability 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

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
IvantiConnect Secure9.1
IvantiPolicy Secure9.0

Related Weaknesses (CWE)

CWE-703CWE-787

References

FAQ

What is CVE-2024-21894?

CVE-2024-21894 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 c...

How severe is CVE-2024-21894?

CVE-2024-21894 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2024-21894?

Check the references section above for vendor advisories and patch information. Affected products include: Ivanti Connect Secure, Ivanti Policy Secure.