PT-2021-17931 · Qnap · Quts Hero+4

Andrea Cappa + 1 · Published 2021-06-03 · Updated 2021-09-14 · CVE-2021-28807

Positive Technologies (AI Summary)

CVSS v3.1

7.7

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions: QNAP NAS running Q’center versions prior to Q’center v1.10.1004 QNAP NAS running Q’center versions prior to Q’center v1.12.1012

Description: A post-authentication reflected XSS vulnerability has been reported to affect QNAP NAS running Q’center. If exploited, this vulnerability allows remote attackers to inject malicious code.

Recommendations: For QTS 4.5.3, update to Q’center v1.12.1012 or later. For QTS 4.3.6, update to Q’center v1.10.1004 or later. For QTS 4.3.3, update to Q’center v1.10.1004 or later. For QuTS hero h4.5.2, update to Q’center v1.12.1012 or later. For QuTScloud c4.5.4, update to Q’center v1.12.1012 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-28807

Affected Products

Qnap Nas

Qts

Q'Center

Quts Hero

Qutscloud

References · 7

• 🔥 https://shielder.it/advisories/qnap-qcenter-post-auth-remote-code-execution-via-qpkg · Exploit
• 🔥 https://shielder.it/advisories/qnap-qcenter-virtual-stored-xss · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-28807 · Security Note
• https://qnap.com/zh-tw/security-advisory/qsa-21-20 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-28807 · Vendor Advisory
• https://t.me/cvenotify/15458 · Telegram Post
• https://t.me/cvenotify/16217 · Telegram Post