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Vulnerabilities

Threat intelligence · CVE-2010-20059

FreeNAS 0.7.2 prior to revision 5543 includes an unauthenticated command‐execution backdoor in its web interface.

Published Aug 20, 2025 · catalog updated May 15, 2026 · iXsystems FreeNAS

Check if you run it

No confirmed exploitation is on record for CVE-2010-20059. EPSS is 1.52%. Act only if a listed version of iXsystems FreeNAS is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.52%
Remediation
Version ranges on file
Affected products
vendor iXsystems FreeNAS 0 <0.7.2 rev 5543

FreeNAS 0.7.2 prior to revision 5543 includes an unauthenticated command‐execution backdoor in its web interface. The exec_raw.php script exposes a cmd parameter that is passed directly to the underlying shell without sanitation.

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 iXsystems FreeNAS 0 <0.7.2 rev 55430 <0.7.2 rev 5543

How to fix CVE-2010-20059

What to do

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

Should you patch?

No confirmed exploitation is on record for CVE-2010-20059. EPSS is 1.52%. Act only if a listed version of iXsystems FreeNAS is installed.

Which versions are affected?

Compare what you have installed with iXsystems FreeNAS 0 <0.7.2 rev 5543 0 <0.7.2 rev 5543. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 1.52%. There is no CISA KEV listing. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. 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. Aug 20, 2025 · EUVD

    Detected

    FreeNAS 0.7.2 prior to revision 5543 includes an unauthenticated command‐execution backdoor in its web interface. The exec_raw.php script exposes a cmd parameter that is passed directly to the underlying shell without sanitation.

  2. May 15, 2026 · EUVD

    Updated

    FreeNAS 0.7.2 prior to revision 5543 includes an unauthenticated command‐execution backdoor in its web interface. The exec_raw.php script exposes a cmd parameter that is passed directly to the underlying shell without sanitation.

Sources

  • CVE.orgVulnerability recordCVE-2010-20059

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2010-20059

    30-day exploitation probability 1.52%

    first.org
  • EUVDVulnerability recordEUVD-2010-5304

    FreeNAS 0.7.2 prior to revision 5543 includes an unauthenticated command‐execution backdoor in its web interface. The exec_raw.php script exposes a cmd parameter that is passed directly to the underlying shell without sanitation.

    euvd.enisa.europa.eu
  • Metasploit ModulesPublic exploit moduleexploit_multi/http/freenas_exec_raw

    Public module reference (great). Module source is not copied into this catalog.

    rapid7.com

References

Freshness

Last verified in this catalog Oct 21, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.