cve.bz

CVE-2021-27198

9.8 criticalEPSS 13%

Critical (9.8) in visualware myconnection server. EPSS 13% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
13% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-11-01)
CWE
CWE-434
Published
Modified
Record from
the NVD, synced

Affected

References

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