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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (27.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000
Affected products
- Sunnysidesoft Virtualtablet Server — versions 3.0.2
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/48402 (exploit)
- www.sunnysidesoft.com/ (product)
- www.vulncheck.com/advisories/virtualtablet-server-denial-of-service-poc (third-party-advisory)
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.