Possible Ivanti EPMM Unauthenticated RCE via featureusage Expression Language Injection (via webserver)
- Category
- webserver
- Author
- HuntRule
- Published
- 2026-11-02
- Updated
- 2026-11-02
ATT&CK techniques
Initial Access → ExecutionRecon
Resource Dev
Initial Access
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact
What it detects
This rule detects exploitation of Ivanti Endpoint Manager Mobile CVE-2025-4427 and CVE-2025-4428 where an unauthenticated request to the featureusage API carries a Spring expression language payload in the format parameter. Attackers inject java.lang.Runtime expressions to reach remote code execution on the appliance.
Reporting behind it
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.
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