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CVE-2025-5466 is an XML External Entity (XXE) vulnerability affecting Ivanti Connect Secure before 22.7R2.8 or 22.8R2, Ivanti Policy Secure before 22.7R1.5, Ivanti ZTA Gateway before 22.8R2.3-723, and Ivanti Neurons for Secure Access before 22.8R1.4. The flaw is associated with improper handling of XML external entities and is mapped to CWE-776. A remote authenticated attacker with administrative privileges can exploit the issue to trigger excessive XML entity processing that results in a denial-of-service condition. The available information identifies service disruption as the demonstrated impact and does not indicate code execution or data disclosure from this vulnerability.
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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 medium-severity XML External Entity (XXE) vulnerability in Ivanti products that requires administrative privileges and can cause denial-of-service.
An XML External Entity (XXE) vulnerability that allows a remote authenticated attacker with admin privileges to trigger a denial of service in multiple Ivanti products.
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.