CVEvulnerability
CVE-2021-27198
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-02-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 10.0 HIGH — AV:N/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-434
Description
An issue was discovered in Visualware MyConnection Server before v11.1a. Unauthenticated Remote Code Execution can occur via Arbitrary File Upload in the web service when using a myspeed/sf?filename= URI. This application is written in Java and is thus cross-platform. The Windows installation runs as SYSTEM, which means that exploitation gives one Administrator privileges on the target system.
Affected configurations
• visualware myconnection server (< 11.1a)
Related
Weakness · CWE (1)
- CWE-434 Unrestricted Upload of File with Dangerous Type weakness
References
- http://packetstormsecurity.com/files/161571/VisualWare-MyConnection-Server-11.x-Remote-Code-Execution.html Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/Feb/81 Mailing List, Third Party Advisory
- https://myconnectionserver.visualware.com/download.html Product, Vendor Advisory
- https://myconnectionserver.visualware.com/support/newrelease.html Release Notes, Vendor Advisory
- https://www.securifera.com/advisories/cve-2021-27198/ Third Party Advisory
- http://packetstormsecurity.com/files/161571/VisualWare-MyConnection-Server-11.x-Remote-Code-Execution.html Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/Feb/81 Mailing List, Third Party Advisory
- https://myconnectionserver.visualware.com/download.html Product, Vendor Advisory
- https://myconnectionserver.visualware.com/support/newrelease.html Release Notes, Vendor Advisory
- https://www.securifera.com/advisories/cve-2021-27198/ Third Party Advisory