CVE-2020-2504

7.5 highEPSS 1.0%

High (7.5) in qnap qes. EPSS 1.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
CWEs: CWE-22, CWE-20, CWE-73, CWE-284
Published: 2020-12-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

qnap:qes

References

https://www.qnap.com/zh-tw/security-advisory/qsa-20-17
https://www.qnap.com/zh-tw/security-advisory/qsa-20-17

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