How severe is CVE-2020-25850?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Hgiga Mailsherlock Msr45/ssr45

CVE-2020-25850

The function, view the source code, of HGiga MailSherlock does not validate specific characters. Remote attackers can use this flaw to download arbitrary system files.

Published 2020-12-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (64.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: +0.000

Affected products

Hgiga Mailsherlock Msr45/ssr45 — versions unspecified
Hgiga Msr45 Isherlock-User
Hgiga Ssr45 Isherlock-User

References

www.twcert.org.tw/tw/cp-132-4258-0a8a0-1.html (Third Party Advisory)

Frequently asked questions

What is CVE-2020-25850?: CVE-2020-25850 is a high-severity vulnerability in Hgiga Mailsherlock Msr45/ssr45. CVSS score: 8.1/10. Published 2020-12-31.
How severe is CVE-2020-25850?: High severity. CVSS v3 base score is 8.1 out of 10.