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CVE-2013-3631

38
FAUCET Score

CVE-2013-3631 describes a remote code execution vulnerability in NAS4Free versions 9.1.0.1.804 and earlier, allowing authenticated users to execute arbitrary PHP code through the "Advanced | Execute Command" feature in exec.php. This vulnerability has a CVSS score of 6.0 (Medium), indicating it can be exploited over the network with medium complexity by an authenticated attacker, potentially leading to partial compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, a Metasploit module and ExploitDB entry exist, demonstrating readily available exploit code, despite minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.1.0.1.804CPE matchmatch criteria
cpe:2.3:a:nas4free:nas4free:*:*:*:*:*:*:*:*
9.1.0.1.798CPE matchmatch criteria
cpe:2.3:a:nas4free:nas4free:9.1.0.1.798:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.0MEDIUM

AV:N/AC:M/Au:S/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
6.8
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
13.73%
Probability of exploitation in next 30 days
EPSS Percentile
96.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: NAS4Free Arbitrary Remote Code Execution · Oct 30, 2013
ExploitDB: EDB-29320 · Oct 31, 2013
This CVE's current EPSS score of 0.1373 is in the 98th percentile among its peer group of 1,425 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

community.rapid7.com / community/metasploit/blog/2013/10/30/seven-tricks-and-treats
Exploit
kb.cert.org / vuls/id/326830
US Government Resource