CVE-2020-37085

HIGH

VirtualTablet Server 3.0.2 - Denial of Service via Oversized Thrift Payload

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-37085. PoCs published by Dolev Farhi.

AI-analyzed exploit summary This PoC exploits a Denial of Service vulnerability in VirtualTablet Server 3.0.2 by sending an overly long string via Thrift protocol, causing the service to crash. The exploit uses the Thrift library to establish a connection and send the malicious payload.

Description

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.

Exploits (1)

exploitdb WORKING POC
by Dolev Farhi · pythondoswindows
https://www.exploit-db.com/exploits/48402

This PoC exploits a Denial of Service vulnerability in VirtualTablet Server 3.0.2 by sending an overly long string via Thrift protocol, causing the service to crash. The exploit uses the Thrift library to establish a connection and send the malicious payload.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: VirtualTablet Server 3.0.2
No auth needed
Prerequisites: Network access to the target server · VirtualTablet Server 3.0.2 running on the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/48402
Various Sources product
http://www.sunnysidesoft.com/

Scores

CVSS v3 7.5
EPSS 0.0034
EPSS Percentile 25.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (1)
SunnySideSoft/VirtualTablet Server 3.0.2
Published Feb 03, 2026
Tracked Since Feb 18, 2026