What is CVE-2020-25010?

CVE-2020-25010 is a critical-severity vulnerability in Kyland Kps2204 6 Port Managed Din-Rail Programmable Serial Device, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2020-12-17.

How severe is CVE-2020-25010?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Kyland Kps2204 6 Port Managed Din-Rail Programmable Serial Device

CVE-2020-25010

An arbitrary code execution vulnerability in Kyland KPS2204 6 Port Managed Din-Rail Programmable Serial Device Servers Software Version:R0002.P05 allows remote attackers to upload a malicious script file by constructing a POST type request and writing a payload in the request parameters as an instruction to write a file.

Vulnerability class: Unrestricted File Upload

Published 2020-12-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.025 (84.3th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.025 · change: +0.001

Affected products

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/AnfieldQi/CVE_list/blob/master/CVE-2020-25010.md (Third Party Advisory)
www.cnvd.org.cn/flaw/show/CNVD-2020-55990 (Third Party Advisory)

Frequently asked questions

What is CVE-2020-25010?: CVE-2020-25010 is a critical-severity vulnerability in Kyland Kps2204 6 Port Managed Din-Rail Programmable Serial Device, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2020-12-17.
How severe is CVE-2020-25010?: Critical severity. CVSS v3 base score is 9.8 out of 10.