What is CVE-2020-18912?

CVE-2020-18912 is a critical-severity vulnerability in Earcms Ear, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-08-29.

How severe is CVE-2020-18912?

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

Arbitrary file upload in Earcms Ear

CVE-2020-18912

An issue found in Earcms Ear App v.20181124 allows a remote attacker to execute arbitrary code via the uload/index-uplog.php.

Vulnerability class: Unrestricted File Upload

Published 2023-08-29 · 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: 0.015 (73.0th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Earcms Ear — versions 2018-11-24

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

www.cnblogs.com/yiwd/archive/2013/03/03/2941269.html (Exploit, Third Party Advisory)
www.cnblogs.com/hantom/p/10621198.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-18912?: CVE-2020-18912 is a critical-severity vulnerability in Earcms Ear, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-08-29.
How severe is CVE-2020-18912?: Critical severity. CVSS v3 base score is 9.8 out of 10.