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TI-2020-02216 Aliases CVE-2020-2504GHSA-jc86-jrjv-444j

Absolute path traversal vulnerability in QES

Priority LOW 35CWE-20Published · Updated

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

EPSS 0.01029 63rd percentileScored 2026-11-07
Fix Fixed QES (QNAP Systems Inc.): 2.1.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
QNAPQESbefore 2.1.12.1.1Patch availableCNA
  • QES VendorQNAP Affected before 2.1.1 Fixed in 2.1.1 Patch available CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:a:qnap:qes:*:*:*:*:*:*:*:*before 2.1.1VulnerableQNAP
cpe:2.3:a:qnap:qes:2.1.1:-:*:*:*:*:*:*2.1.1VulnerableQNAP
cpe:2.3:a:qnap:qes:2.1.1:build_20200211:*:*:*:*:*:*2.1.1 build_20200211VulnerableQNAP
cpe:2.3:a:qnap:qes:2.1.1:build_20200303:*:*:*:*:*:*2.1.1 build_20200303VulnerableQNAP
cpe:2.3:a:qnap:qes:2.1.1:build_20200319:*:*:*:*:*:*2.1.1 build_20200319VulnerableQNAP
cpe:2.3:a:qnap:qes:2.1.1:build_20200424:*:*:*:*:*:*2.1.1 build_20200424VulnerableQNAP
cpe:2.3:a:qnap:qes:2.1.1:build_20200515:*:*:*:*:*:*2.1.1 build_20200515VulnerableQNAP
cpe:2.3:a:qnap:qes:2.1.1:build_20200811:*:*:*:*:*:*2.1.1 build_20200811VulnerableQNAP
  • 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

  1. 2026-10-02 Threatist record created from CVE-2020-2504
  2. 2026-10-03 Alias added: GHSA-jc86-jrjv-444j

References

  • 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