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
Recommended remediation
Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.
Official advisories
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.
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.
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.