What is CVE-2021-34357?

CVE-2021-34357 is a medium-severity vulnerability in Qnap Nas, classified under Cross-site Scripting. CVSS score: 6.9/10. Published 2021-11-13.

How severe is CVE-2021-34357?

Medium severity. CVSS v3 base score is 6.9 out of 10.

XSS in Qnap Nas

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 follo…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (48.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N.

Affected products

Qnap Nas
Qnap Qmailagent
Qnap Systems Inc. Qmailagent — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@qnapsecurity.com.tw (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-34357?: CVE-2021-34357 is a medium-severity vulnerability in Qnap Nas, classified under Cross-site Scripting. CVSS score: 6.9/10. Published 2021-11-13.
How severe is CVE-2021-34357?: Medium severity. CVSS v3 base score is 6.9 out of 10.