CVE-2021-27198
CRITICAL 9.8EPSS 13.6%
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 v3.1 NVD
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 10.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C - EPSS
- 13.62% chance of exploitation in the next 30 days, 96th percentile
- Published
- 2021-02-26
- Updated
- 2024-08-03
Proof-of-concept exploits (1)
- rwincey/CVE-2021-271980★ · 2023-10-25
Security advisories
- https://myconnectionserver.visualware.com/download.html
- https://myconnectionserver.visualware.com/support/newrelease.html
- http://packetstormsecurity.com/files/161571/VisualWare-MyConnection-Server-11.x-Remote-Co…
- http://seclists.org/fulldisclosure/2021/Feb/81
- https://www.securifera.com/advisories/cve-2021-27198