VULNERABILITY INTELLIGENCE

CVE-2021-34343

CVSS score6 MEDIUM
EPSS probability1.95%
CISA KEVNot currently listed
Published2021-09-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H

Description

A stack buffer overflow vulnerability has been reported to affect QNAP device running QTS, QuTScloud, QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of QTS, QuTScloud, QuTS hero: QTS 4.5.4.1715 build 20210630 and later QTS 5.0.0.1716 build 20210701 and later QuTScloud c4.5.6.1755 and later QuTS hero h4.5.4.1771 build 20210825 and later

Weakness classification

  • security@qnapsecurity.com.tw: CWE-787
  • nvd@nist.gov: CWE-787

Primary references