Possible Kentico Xperience Staging Sync Authentication Bypass via SyncServer Endpoint (via webserver)
- Category
- webserver
- Author
- HuntRule
- Published
- 2026-05-06
- Updated
- 2026-08-28
ATT&CK techniques
Initial AccessRecon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact
What it detects
This rule detects requests to the Kentico Xperience staging synchronization web service which is abused in the pre-auth RCE chain to upload objects after a password digest authentication bypass. Access to this SOAP endpoint from untrusted sources should be reviewed.
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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