{"cve":"CVE-2020-2506","nvd":{"published":"2021-02-03T16:15:13.807","modified":"2026-06-17T03:12:15.060","status":"Analyzed","description":"The vulnerability have been reported to affect earlier versions of QTS. If exploited, this improper access control vulnerability could allow attackers to compromise the security of the software by gaining privileges, or reading sensitive information. This issue affects: QNAP Systems Inc. Helpdesk versions prior to 3.0.3.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-284"],"references":["https://www.qnap.com/zh-tw/security-advisory/qsa-20-08","https://www.qnap.com/zh-tw/security-advisory/qsa-20-08","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-2506"],"products":["qnap:helpdesk"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2020-2506","score":0.02006,"percentile":0.80824,"date":"2026-11-01"},"kev":{"cve":"CVE-2020-2506","date_added":"2022-03-25","due_date":"2022-04-15","vendor":"QNAP Systems","product":"Helpdesk","known_ransomware":false},"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."]}