Vulnerabilities

Vulnerability · CVE-2025-7451

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Published Jul 11, 2025 · catalog updated Jul 14, 2025 · Hgiga iSherlock-smtp-5.5

Patch now

CVE-2025-7451 is in the CISA known-exploited catalog. Confirm Hgiga iSherlock-smtp-5.5 against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical9.3
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
1.37%
Remediation
Remediation guidance
Affected products
vendor Hgiga iSherlock · vendor Hgiga iSherlock-smtp-5.5 0 <732

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. This vulnerability has already been exploited. Please update immediately.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Hgiga iSherlockversion unspecified
  • vendor Hgiga iSherlock-smtp-5.5 0 <7320 <732

How to fix CVE-2025-7451

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-7451 is in the CISA known-exploited catalog. Confirm Hgiga iSherlock-smtp-5.5 against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with Hgiga iSherlock-smtp-5.5 0 <732 0 <732. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 1.37%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 11, 2025 · VulnCheck KEV

    Detected

    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. This vulnerability has already been exploited. Please update immediately.

  2. Jul 11, 2025 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  3. Jul 14, 2025 · EUVD

    Updated

    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. This vulnerability has already been exploited. Please update immediately.

Sources

  • CVE.orgVulnerability recordCVE-2025-7451

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-7451

    30-day exploitation probability 1.4%

    first.org
  • EUVDVulnerability recordEUVD-2025-21302

    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. This vulnerability has already been exploited. Please update immediately.

    euvd.enisa.europa.eu
  • VulnCheck KEVConfirmed exploitationCVE-2025-7451

    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. This vulnerability has already been exploited. Please update immediately.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.