Vulnerability · Published Dec 24, 2020 · Assigned by qnap
CVE-2020-2503Stored cross-site scripting vulnerability in QES
Critical 9.0
In plain English
A critical-severity cross-site scripting in QES from QNAP Systems Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).
Severity (CVSS 3.1)9.0Critical
Exploit odds (30 days)0.8%top 43.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
If exploited, this stored cross-site scripting vulnerability could allow remote attackers to inject malicious code in File Station. QNAP has already fixed these issues in QES 2.1.1 Build 20201006 and later.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| QNAP Systems Inc. | QES | unspecified – before 2.1.1 |
Weakness: CWE-79, CWE-80, CWE-749 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
References
- https://www.qnap.com/zh-tw/security-advisory/qsa-20-17 x_refsource_MISC