CVE-2021-28807
A post-authentication reflected XSS vulnerability has been reported to affect QNAP NAS running Q’center.
Does this matter?
Lower severity and a low EPSS score (1.38%). Track it; it rarely justifies an emergency change on its own.
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. QNAP have already fixed this vulnerability in the following versions of Q’center: QTS 4.5.3: Q’center v1.12.1012 and later QTS 4.3.6: Q’center v1.10.1004 and later QTS 4.3.3: Q’center v1.10.1004 and later QuTS hero h4.5.2: Q’center v1.12.1012 and later QuTScloud c4.5.4: Q’center v1.12.1012 and later
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 1.38% probability · 71th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- qnap/q\'center
- Source
- security@qnapsecurity.com.tw
References
- https://www.qnap.com/zh-tw/security-advisory/qsa-21-20Vendor Advisory
- https://www.shielder.it/advisories/qnap-qcenter-post-auth-remote-code-execution-via-qpkg/Exploit, Third Party Advisory
- https://www.shielder.it/advisories/qnap-qcenter-virtual-stored-xss/Exploit, Third Party Advisory
- https://www.qnap.com/zh-tw/security-advisory/qsa-21-20Vendor Advisory
- https://www.shielder.it/advisories/qnap-qcenter-post-auth-remote-code-execution-via-qpkg/Exploit, Third Party Advisory
- https://www.shielder.it/advisories/qnap-qcenter-virtual-stored-xss/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.