CVE-2021-27198

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 12.31% Top 10%
Vendor Advisory visualware.com Vendor Advisory visualware.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://myconnectionserver.visualware.com/download.html product vendor advisory
https://myconnectionserver.visualware.com/support/newrelease.html release notes vendor advisory
http://seclists.org/fulldisclosure/2021/Feb/81 third party advisory mailing list
http://packetstormsecurity.com/files/161571/VisualWare-MyConnection-Server-11.x-Remote-Code-Execution.html vdb entry third party advisory
https://www.securifera.com/advisories/cve-2021-27198/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-27198?
CVE-2021-27198 has been scored as a critical severity vulnerability.
How to fix CVE-2021-27198?
To fix CVE-2021-27198, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27198 being actively exploited in the wild?
It is possible that CVE-2021-27198 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~12% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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