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CVE-2025-55145 is a missing authorization vulnerability affecting 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. The flaw is in HTML5 connection and session-management handling, where the server does not adequately verify whether an authenticated user is authorized to access or control an existing HTML5 session. As a result, a remote attacker with valid credentials can target session-management operations for another user’s active HTML5 connection and hijack that session. The issue affects authorization of ongoing session access rather than initial authentication.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity missing authorization vulnerability in Ivanti remote access products that allows remote authenticated attackers to hijack existing HTML5 sessions.
A missing authorization vulnerability in multiple Ivanti secure access products that allows a remote authenticated attacker with low-privilege credentials to hijack existing HTML5 connections, enabling session hijacking and unauthorized access.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.