Ivanti Endpoint Manager Mobile API Authentication Bypass
CVE-2025-4427 is an authentication bypass vulnerability in the API component of Ivanti Endpoint Manager Mobile (EPMM). According to the provided content, affected versions include EPMM 12.5.0.0 and prior, with additional reporting indicating vulnerable branches before fixed releases such as 11.12.0.5, 12.3.0.2, 12.4.0.2, and 12.5.0.1. The flaw allows an unauthenticated attacker to access protected API resources without valid credentials. In practice, this bypass exposes otherwise restricted API endpoints and has been reported as the first stage of an exploit chain with CVE-2025-4428, where the attacker first reaches protected API functionality and then abuses a SpEL injection issue to obtain remote code execution on internet-facing EPMM appliances. The content consistently characterizes CVE-2025-4427 itself as the authentication-bypass component of that chain.
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Impact, mitigation & remediation
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Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
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Remediation
Patch, then assume compromise.
Exploits
No valid public exploits. Mallory filtered out 3 candidates as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Affected products & vendors
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
208 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A previously exploited zero-day vulnerability affecting Ivanti EPMM, referenced as part of earlier attack campaigns against the product.
A vulnerability in Ivanti Endpoint Manager Mobile (EPMM) that was exploited to compromise a U.S. utility, enabling backend database data theft (including LDAP details and O365 tokens) and subsequent credential replay for lateral movement.
An Ivanti EPMM vulnerability that can be chained with CVE-2025-4428 to execute arbitrary code; exploited by a China-nexus actor.
An Ivanti Endpoint Manager Mobile (EPMM) authentication bypass used in chained attacks to achieve remote code execution.
The version that knows your environment.
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.