CVE-2019-9486
STRATO HiDrive Desktop Client 5.0.1.0 for Windows suffers from a SYSTEM privilege escalation vulnerability through the HiDriveMaintenanceService service.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
STRATO HiDrive Desktop Client 5.0.1.0 for Windows suffers from a SYSTEM privilege escalation vulnerability through the HiDriveMaintenanceService service. This service establishes a NetNamedPipe endpoint that allows applications to connect and call publicly exposed methods. An attacker can inject and execute code by hijacking the insecure communications with the service. This vulnerability also affects Telekom MagentaCLOUD through 5.7.0.0 and 1&1 Online Storage through 6.1.0.0.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.25% probability · 83th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-367
- Affected
- strato/hidrive desktop client · telekom/magentacloud · ionos/1\&1 online storage
- Source
- cve@mitre.org
EPSS 2.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://zer0-day.pw/articles/2019-04/HiDrive-LPE-via-Insecure-WCF-endpointExploit, Third Party Advisory
- https://zer0-day.pw/articles/2019-04/HiDrive-LPE-via-Insecure-WCF-endpointExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.