Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Visualware | Myconnection Server | < 11.1a |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/161571/VisualWare-MyConnection-Server-11.x-Third Party AdvisoryVDB Entry
- http://seclists.org/fulldisclosure/2021/Feb/81Mailing ListThird Party Advisory
- https://myconnectionserver.visualware.com/download.htmlProductVendor Advisory
- https://myconnectionserver.visualware.com/support/newrelease.htmlRelease NotesVendor Advisory
- https://www.securifera.com/advisories/cve-2021-27198/Third Party Advisory
- http://packetstormsecurity.com/files/161571/VisualWare-MyConnection-Server-11.x-Third Party AdvisoryVDB Entry
- http://seclists.org/fulldisclosure/2021/Feb/81Mailing ListThird Party Advisory
- https://myconnectionserver.visualware.com/download.htmlProductVendor Advisory
- https://myconnectionserver.visualware.com/support/newrelease.htmlRelease NotesVendor Advisory
- https://www.securifera.com/advisories/cve-2021-27198/Third Party Advisory
FAQ
What is CVE-2021-27198?
CVE-2021-27198 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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= ...
How severe is CVE-2021-27198?
CVE-2021-27198 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-27198?
Check the references section above for vendor advisories and patch information. Affected products include: Visualware Myconnection Server.