Auth bypass in Ivanti Connect Secure
CVE-2025-55145
Missing authorization 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 to hijack existing HTML5 connections.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.9 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L.
EPSS exploit prediction
EPSS: 0.006 (50.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- Ivanti Connect Secure — versions 22.7
- Ivanti Connect Secure 22.7r2.9 — versions 22.7R2.9, 22.8R2
- Ivanti Neurons For Secure Access — versions 22.8R1.4 (Fix deployed on 02-Aug-2025)
- Ivanti Neurons For Secure Access — versions 22.8
- Ivanti Policy Secure — versions 22.7R1.6
- Ivanti Policy Secure — versions 22.7
- Ivanti Zero Trust Access Gateway — versions 22.8
- Ivanti Zta Gateway — versions 2.8R2.3-723
Weakness classification (CWE)
Public proof-of-concept exploits
References
- 3c1d8aa1-5a33-4ea4-8992-aadd6440af75 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-55145?
- CVE-2025-55145 is a high-severity vulnerability in Ivanti Connect Secure, classified under Missing Authorization. CVSS score: 8.9/10. Published 2025-09-09.
- How severe is CVE-2025-55145?
- High severity. CVSS v3 base score is 8.9 out of 10.
- Is CVE-2025-55145 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.