VULNERABILITY INTELLIGENCE
CVE-2021-34357
CVSS score6.9 MEDIUM
EPSS probability0.71%
CISA KEVNot currently listed
Published2021-11-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N
Description
A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running QmailAgent. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of QmailAgent: QmailAgent 3.0.2 ( 2021/08/25 ) and later
Weakness classification
- security@qnapsecurity.com.tw: CWE-79
Primary references
- security@qnapsecurity.com.tw — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory