{"cve":"CVE-2023-34971","nvd":{"published":"2023-08-24T17:15:08.597","modified":"2026-06-17T06:04:11.457","status":"Modified","description":"An inadequate encryption strength vulnerability has been reported to affect QNAP operating systems. If exploited, the vulnerability possibly allows local network clients to decrypt the data using brute force attacks via unspecified vectors.\n\nWe have already fixed the vulnerability in the following versions:\nQTS 5.0.1.2425 build 20230609 and later\nQTS 5.1.0.2444 build 20230629 and later\nQTS 4.5.4.2467 build 20230718 and later\nQuTS hero h5.1.0.2424 build 20230609 and later\nQuTS hero h4.5.4.2476 build 20230728 and later","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-326"],"references":["https://www.qnap.com/en/security-advisory/qsa-23-60","https://www.qnap.com/en/security-advisory/qsa-23-60"],"products":["qnap:qts","qnap:quts_hero"],"source":"nvd","synced_at":"2026-10-19T21:39:14.809778102+00:00"},"epss":{"cve":"CVE-2023-34971","score":0.00103,"percentile":0.00939,"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."]}