CVE-2021-34357

Reflected XSS Vulnerability in QmailAgent

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

Remediation

Solution:

  • We have already fixed this vulnerability in the following versions of QmailAgent: QmailAgent 3.0.2 ( 2021/08/25 ) and later

Category

6.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.35%
Vendor Advisory qnap.com
Affected: QNAP Systems Inc. QmailAgent
Published at:
Updated at:

References

Link Tags
https://www.qnap.com/en/security-advisory/qsa-21-47 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-34357?
CVE-2021-34357 has been scored as a medium severity vulnerability.
How to fix CVE-2021-34357?
To fix CVE-2021-34357: We have already fixed this vulnerability in the following versions of QmailAgent: QmailAgent 3.0.2 ( 2021/08/25 ) and later
Is CVE-2021-34357 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-34357 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-34357?
CVE-2021-34357 affects QNAP Systems Inc. QmailAgent.
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