CVE-2013-3631

Nas4free vulnerability

CVSS

6.0

EPSS

13.7%

EPSS pct

96th

Exploited

No known

NAS4Free 9.1.0.1.804 and earlier allows remote authenticated users to execute arbitrary PHP code via a request to exec.php, aka the "Advanced | Execute Command" feature. NOTE: this issue might not be a vulnerability, since it appears to be part of legitimate, intentionally-exposed functionality by the developer and is allowed within the intended security policy.

Affected vendor

Nas4free

Affected product

Nas4free

CVSS vector

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

Weakness type (CWE)

CWE-94 — Code Injection

Published

2013-11-02

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring single-factor authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 13.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2013-3631

Confirm whether Nas4free Nas4free is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2013-3631.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2013-3631

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2013-3631 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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