What’s Vulnerable › Vulnerabilities

CVE-2020-25850: HGiga MailSherlock - Arbitrary File Download

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-12-31 · updated 2026-06-17

Description

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.

Affected products

• HGiga Msr45 Isherlock-User: before 4.5-117 — fixed in 4.5-117
• HGiga Ssr45 Isherlock-User: before 4.5-117 — fixed in 4.5-117

How to fix

Upgrade to a fixed version: HGiga Msr45 Isherlock-User 4.5-117; HGiga Ssr45 Isherlock-User 4.5-117. Check the vendor advisory for mitigations.

References

• https://www.twcert.org.tw/tw/cp-132-4258-0a8a0-1.html
• https://www.twcert.org.tw/tw/cp-132-4258-0a8a0-1.html

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