Resource exhaustion in Sunnysidesoft Virtualtablet Server

CVE-2020-37085

VirtualTablet Server 3.0.2 contains a denial of service vulnerability that allows attackers to crash the service by sending oversized string payloads through the Thrift protocol. Attackers can exploit the vulnerability by sending a long string to the send_say() method, causing the server to become unresponsive.

EPSS: 0.003 (26.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-37085?
CVE-2020-37085 is a high-severity vulnerability in Sunnysidesoft Virtualtablet Server, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-02-03.
How severe is CVE-2020-37085?
High severity. CVSS v3 base score is 7.5 out of 10.