CVE-2025-11900

CriticalRCE

Published: 17 October 2025

Published

17 October 2025

Modified

15 April 2026

KEV Added

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Patch

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CVSS Score v4 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Score 0.0041 62.0th percentile

Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-11900 is a critical-severity OS Command Injection (CWE-78) vulnerability in Org (inferred from references). Its CVSS base score is 9.3 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 38.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 RA-5 (Vulnerability Monitoring and Scanning) and SI-10 (Information Input Validation).

Deeper analysis

CVE-2025-11900 is an OS Command Injection vulnerability (CWE-78) affecting iSherlock, a product developed by HGiga. Published on 2025-10-17, it carries a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), reflecting its critical severity due to the potential for high impacts on confidentiality, integrity, and availability.

Unauthenticated remote attackers can exploit this vulnerability over the network with low attack complexity and no user interaction or privileges required. Exploitation enables attackers to inject and execute arbitrary OS commands on the server, allowing full control over the affected system.

Advisories from TWCERT detail mitigation guidance and are available at https://www.twcert.org.tw/en/cp-139-10441-00aaf-2.html and https://www.twcert.org.tw/tw/cp-132-10440-dd55d-1.html.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2025-34858

Vulnerability details

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

CWE(s): CWE-78

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

T1059 Command and Scripting Interpreter Execution

Adversaries may abuse command and script interpreters to execute commands, scripts, or binaries.

attack.mitre.org →

Why these techniques?

Unauthenticated remote OS command injection in a network-exposed product directly enables exploitation of a public-facing application (T1190) and execution via command and scripting interpreter (T1059).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0