What is CVE-2025-3363?

CVE-2025-3363 is a critical-severity vulnerability in Hgiga Isherlock 4.5, classified under OS Command Injection. CVSS score: 9.8/10. Published 2025-04-08.

How severe is CVE-2025-3363?

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

RCE in Hgiga Isherlock 4.5

CVE-2025-3363

The web service of iSherlock from HGiga has an OS Command Injection vulnerability, allowing unauthenticated remote attackers to inject arbitrary OS commands and execute them on the server.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.013 (66.9th percentile) — read the EPSS interpretation.

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.

Affected products

Hgiga Isherlock 4.5 — versions 0
Hgiga Isherlock 5.5 — versions 0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

twcert@cert.org.tw (third-party-advisory)
twcert@cert.org.tw (third-party-advisory)

Frequently asked questions

What is CVE-2025-3363?: CVE-2025-3363 is a critical-severity vulnerability in Hgiga Isherlock 4.5, classified under OS Command Injection. CVSS score: 9.8/10. Published 2025-04-08.
How severe is CVE-2025-3363?: Critical severity. CVSS v3 base score is 9.8 out of 10.