HGiga MailSherlock - Arbitrary File Download

published 2020-12-31 5y ago modified 2026-06-17 4mo ago also EUVD-2020-18483

cvss: 8.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

HGiga MailSherlock MSR45/SSR45 117

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Exploit prediction

1.12% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

HGiga MailSherlock MSR45/SSR45

References

twcert.org.tw /tw/cp-132-4258-0a8a0-1.html
third-party-advisory

Sources

CVE List CVE-2020-25850
NVD CVE-2020-25850

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