CVE record · CVE-2025-55143

Cross-site scripting in Ivanti Connect Secure and others

CVSS 6.1 MediumEPSS 0.0075 · 54th percentile

Published by the CVE Program (CNA: ivanti) at 9 Sept 2025, 15:52 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Ivanti	Connect Secure	unaffected 22.7R2.9 unaffected 22.8R2 Other versions: affected
Ivanti	Policy Secure	unaffected 22.7R1.6 Other versions: affected
Ivanti	ZTA Gateway	unaffected 2.8R2.3-723 Other versions: affected
Ivanti	Neurons for Secure Access	unaffected 22.8R1.4 (Fix deployed on 02-Aug-2025) Other versions: affected

Identifiers: CVE-2025-55143
CNA: ivanti
Weakness (CWE): CWE-79
Tags: Ivanti Connect Secure
Ivanti Policy Secure
Ivanti ZTA Gateway
Ivanti Neurons for Secure Access
Cross-site scripting (XSS)
Published: 9 Sept 2025
Updated: 9 Sept 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.1	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	CNA (ivanti)

CISA KEV Not listed.
EPSS 0.0075, the 54th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 9 Sept 2025. New records show when each source confirmed them.

Sources

References from the CNA

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

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.