Reflected XSS Vulnerability in QmailAgent
CVE-2021-34357

6.9MEDIUM

Key Information:

Vendor

QNAP
Status
Qmailagent
Vendor
CVE Published:
13 November 2021

What is CVE-2021-34357?

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

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Deploy the Patch

Affected Version(s)

QmailAgent < 3.0.2 ( 2021/08/25 )

References

https://www.qnap.com/en/security-advisory/qsa-21-47
x_refsource_MISC

CVSS V3.1

Score:
6.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Tony Martin, a security researcher
JSON
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