How severe is CVE-2025-11900?

CVE-2025-11900 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-11900 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-11900?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-11900 have an EU (EUVD) identifier?

Yes. CVE-2025-11900 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34858.

When was CVE-2025-11900 published?

CVE-2025-11900 was published on 2025-10-17 and last updated on 2026-06-17.

CVE-2025-11900

CVE-2025-11900 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-34858
Weakness: CWE-78
Published: 2025-10-17
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-11900?: 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.
How severe is CVE-2025-11900?: CVE-2025-11900 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-11900 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-11900?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-11900 have an EU (EUVD) identifier?: Yes. CVE-2025-11900 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34858.
When was CVE-2025-11900 published?: CVE-2025-11900 was published on 2025-10-17 and last updated on 2026-06-17.

References

Other CWE-78 (OS Command Injection) vulnerabilities

CVE-2026-56004 — Critical (CVSS 10.0): A shellcode injection in the mercurial handler of the obs tar_scm source service before version 0.12.4 could be used by…
CVE-2026-56415 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability within the debug.pl script that is…
CVE-2026-56413 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability in the ms_service.pl service, which listens…
CVE-2026-49869 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, AuthenticationFilter in…
CVE-2026-49261 — Critical (CVSS 10.0): MariaDB server is a community developed fork of MySQL server. Versions 10.6.1 through 10.6.26, 10.11.1 through…
CVE-2026-10520 — Critical (CVSS 10.0): An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a…

Browse all CWE-78 (OS Command Injection) vulnerabilities →