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CVE-2010-20059

44
FAUCET Score

CVE-2010-20059 describes an unauthenticated command execution backdoor in FreeNAS 0.7.2 prior to revision 5543. The vulnerability lies in the exec_raw.php script, which directly passes user-supplied input from the 'cmd' parameter to the shell without proper sanitization. This flaw carries a critical CVSS score of 9.3, indicating that it is easily exploitable over the network with low attack complexity and no authentication required, leading to complete compromise of confidentiality, integrity, and availability. Exploit code is publicly available, including a Metasploit module, and the vulnerability has garnered significant community discussion, though it is not currently listed on CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
IXsystemsFreeNAS
>= 0, < 0.7.2 rev 5543CNA affecteddefault unaffected

CVSS Data

CVSS version used by this source: 4.0

9.3CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
1.02%
Probability of exploitation in next 30 days
EPSS Percentile
59.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: FreeNAS exec_raw.php Arbitrary Command Execution · Nov 6, 2010
This CVE's current EPSS score of 0.0102 is in the 45th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / freenas
raw.githubusercontent.com / rapid7/metasploit-framework/master/modules/exploits/multi/http/freenas_exec_raw.rb
sourceforge.net / projects/freenas
web.archive.org / web/20101218143110/http://sourceforge.net/projects/freenas/files//stable/0.7.2/NOTES%200.7.2.5543.txt/view
exploit-db.com / exploits/16313
tenable.com / plugins/nnm/5714
truenas.com / freenas
vulncheck.com / advisories/freenas-arbitrary-command-execution