CVE-2021-34361mediumCWE-79

CVE-2021-34361: medium-severity vulnerability in QNAP Systems Inc. Proxy Server

Reflected XSS Vulnerability in Proxy Server

Published · Updated

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.3epss 0.7%
A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running Proxy Server. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of Proxy Server: QTS 4.5.x: Proxy Server 1.4.2 ( 2021/12/30 ) and later
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Affected products
QNAP Systems Inc. · Proxy Server
Related CVEs — QNAP Systems Inc. Proxy Server

In the same product, most dangerous first.

CVE-2021-34359MEDIUMStored XSS Vulnerability in Proxy ServerEPSS 0.6%CVE-2021-34360MEDIUMCSRF Bypass in Proxy ServerEPSS 0.5%