CVE-2021-38677

MediumCVSS 6.1/10Last modified Jun 17, 2026

Description

A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running QcalAgent. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of QcalAgent: QcalAgent 1.1.7 and later

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

VendorProductVersions
QNAP Systems Inc.QcalAgent>= unspecified, < 1.1.7

References

Timeline

Published
Jan 14, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-386786.1An open redirect vulnerability has been reported to affect QNAP device running QcalAgent. If exploited, this vulnerability allows attackers CVE-2021-386799.8An improper authentication vulnerability has been reported to affect QNAP NAS running Kazoo Server. If exploited, this vulnerability allows CVE-2021-386806.1A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running Kazoo Server. If exploited, this vulnerability alCVE-2021-386815.4A reflected cross-site scripting (XSS) vulnerability has been reported to affect QNAP NAS running Ragic Cloud DB. If exploited, this vulneraCVE-2021-386829.8A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard. If exploited, this vulnCVE-2021-386849.8A stack buffer overflow vulnerability has been reported to affect QNAP NAS running Multimedia Console. If exploited, this vulnerability alloCVE-2021-386859.8A command injection vulnerability has been reported to affect QNAP device, VioStor. If exploited, this vulnerability allows remote attackersCVE-2021-386868.8An improper authentication vulnerability has been reported to affect QNAP device, VioStor. If exploited, this vulnerability allows attackersCVE-2021-386879.8A stack buffer overflow vulnerability has been reported to affect QNAP NAS running Surveillance Station. If exploited, this vulnerability alCVE-2021-386887.5An improper authentication vulnerability has been reported to affect Android App Qfile. If exploited, this vulnerability allows attackers toCVE-2021-386899.8A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard. If exploited, this vulnCVE-2021-38697.5corenlp is vulnerable to Improper Restriction of XML External Entity Reference
CVE-2021-38677: Medium severity, CVSS 6.1 | Vulnix