Absolute path traversal vulnerability in QES
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure, Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-22, CWE-284 and the CVSS impact.
Summary
If exploited, this absolute path traversal vulnerability could allow attackers to traverse files in File Station. QNAP has already fixed these issues in QES 2.1.1 Build 20201006 and later.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| QNAP | QES | before 2.1.1 | 2.1.1 | Patch available | CNA |
- QES VendorQNAP Affected before 2.1.1 Fixed in 2.1.1 Patch available CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:qnap:qes:*:*:*:*:*:*:*:* | before 2.1.1 | Vulnerable | QNAP |
| cpe:2.3:a:qnap:qes:2.1.1:-:*:*:*:*:*:* | 2.1.1 | Vulnerable | QNAP |
| cpe:2.3:a:qnap:qes:2.1.1:build_20200211:*:*:*:*:*:* | 2.1.1 build_20200211 | Vulnerable | QNAP |
| cpe:2.3:a:qnap:qes:2.1.1:build_20200303:*:*:*:*:*:* | 2.1.1 build_20200303 | Vulnerable | QNAP |
| cpe:2.3:a:qnap:qes:2.1.1:build_20200319:*:*:*:*:*:* | 2.1.1 build_20200319 | Vulnerable | QNAP |
| cpe:2.3:a:qnap:qes:2.1.1:build_20200424:*:*:*:*:*:* | 2.1.1 build_20200424 | Vulnerable | QNAP |
| cpe:2.3:a:qnap:qes:2.1.1:build_20200515:*:*:*:*:*:* | 2.1.1 build_20200515 | Vulnerable | QNAP |
| cpe:2.3:a:qnap:qes:2.1.1:build_20200811:*:*:*:*:*:* | 2.1.1 build_20200811 | Vulnerable | QNAP |
- cpe:2.3:a:qnap:qes:*:*:*:*:*:*:*:* Versions before 2.1.1 Vulnerable ·QNAP
- cpe:2.3:a:qnap:qes:2.1.1:-:*:*:*:*:*:* Versions 2.1.1 Vulnerable ·QNAP
- cpe:2.3:a:qnap:qes:2.1.1:build_20200211:*:*:*:*:*:* Versions 2.1.1 build_20200211 Vulnerable ·QNAP
- cpe:2.3:a:qnap:qes:2.1.1:build_20200303:*:*:*:*:*:* Versions 2.1.1 build_20200303 Vulnerable ·QNAP
- cpe:2.3:a:qnap:qes:2.1.1:build_20200319:*:*:*:*:*:* Versions 2.1.1 build_20200319 Vulnerable ·QNAP
- cpe:2.3:a:qnap:qes:2.1.1:build_20200424:*:*:*:*:*:* Versions 2.1.1 build_20200424 Vulnerable ·QNAP
- cpe:2.3:a:qnap:qes:2.1.1:build_20200515:*:*:*:*:*:* Versions 2.1.1 build_20200515 Vulnerable ·QNAP
- cpe:2.3:a:qnap:qes:2.1.1:build_20200811:*:*:*:*:*:* Versions 2.1.1 build_20200811 Vulnerable ·QNAP
Remediation
- Fix · CNA QES (QNAP Systems Inc.) Fixed in 2.1.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
QNAP Systems QES 2.1.1
4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2020-02215 Stored cross-site scripting vulnerability in QESPriority MEDIUM 40
- TI-2020-02211 Hard-coded Password Vulnerability in QESPriority LOW 34
- TI-2020-02217 Sensitive information via generation of error messages vulnerability in QESPriority LOW 12
Timeline
- 2026-10-02 Threatist record created from CVE-2020-2504
- 2026-10-03 Alias added: GHSA-jc86-jrjv-444j
References
More QNAP Qes vulnerabilities
- TI-2020-02215 Stored cross-site scripting vulnerability in QES CVSS 3.1CRITICAL 9.0
- TI-2020-02211 Hard-coded Password Vulnerability in QES CVSS 3.1HIGH 7.2
- TI-2020-02217 Sensitive information via generation of error messages vulnerability in QES CVSS 3.1LOW 2.3
Sources
- CVE-2020-2504 · CVE Program
- CVE-2020-2504 · NVD
- FIRST EPSS
- GHSA-jc86-jrjv-444j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences