{"cve":"CVE-2020-27690","nvd":{"published":"2020-11-04T21:15:12.277","modified":"2026-06-17T03:09:29.597","status":"Modified","description":"The Relish (Verve Connect) VH510 device with firmware before 1.0.1.6L0516 contains a buffer overflow within its web management portal. When a POST request is sent to /boaform/admin/formDOMAINBLK with a large blkDomain value, the Boa server crashes.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-120"],"references":["https://6point6.co.uk/insights/security-advisory-relish-4g-hub-vh510/","https://6point6.co.uk/wp-content/uploads/2020/10/Relish-4G-VH510-Hub-Full-Disclosure-v1.3.pdf","https://6point6.co.uk/insights/security-advisory-relish-4g-hub-vh510/","https://6point6.co.uk/wp-content/uploads/2020/10/Relish-4G-VH510-Hub-Full-Disclosure-v1.3.pdf"],"products":["imomobile:verve_connect_vh510_firmware"],"source":"nvd","synced_at":"2026-10-19T21:11:20.317016139+00:00"},"epss":{"cve":"CVE-2020-27690","score":0.00423,"percentile":0.36664,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}