CVE-2025-55146

Name: CVE-2025-55146
Creator: NVD / NIST
Published: 2025-09-09T16:15:34.89+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.9/10EPSS 0.74%

Last modified Jun 17, 2026

CVE-2025-55146 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. An unchecked return value in Ivanti Connect Secure before 22.7R2.9 or 22.8R2, Ivanti Policy Secure before 22.7R1.6, Ivanti ZTA Gateway before 2.8R2.3-723 and Ivanti Neurons for Secure Access before 22.8R1.4 (Fix deployed on 02-Aug-2025) allows a remote authenticated attacker with admin privileges to trigger a denial of service.. EPSS estimates a 0.74% chance of exploitation in the next 30 days.

Description

An unchecked return value in Ivanti Connect Secure before 22.7R2.9 or 22.8R2, Ivanti Policy Secure before 22.7R1.6, Ivanti ZTA Gateway before 2.8R2.3-723 and Ivanti Neurons for Secure Access before 22.8R1.4 (Fix deployed on 02-Aug-2025) allows a remote authenticated attacker with admin privileges to trigger a denial of service.

Metrics

CVSS 3.1

4.9/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.74%

50.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-252

Affected Software

Vendor	Product	Versions	Update
Ivanti	Connect Secure	< 22.7	—
Ivanti	Connect Secure	22.7	—
Ivanti	Policy Secure	< 22.7	—
Ivanti	Policy Secure	22.7	—
Ivanti	Zero Trust Access Gateway	22.8	R2.2
Ivanti	Neurons For Secure Access	< 22.8	—
Ivanti	Neurons For Secure Access	22.8	R1

References

https://forums.ivanti.com/s/article/September-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-and-Neurons-for-Secure-Access-Multiple-CVEs?language=en_USVendor Advisory

Timeline

Published: Sep 9, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-55146?

How severe is CVE-2025-55146?

CVE-2025-55146 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 0.74% probability of exploitation in the next 30 days.

How do I fix CVE-2025-55146?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST