THREATPORT/VULNERABILITY/CVE-2016-9683
CRITICAL SEVERITY

CVE-2016-9683

Sonicwall Secure Remote Access Server vulnerability

CVSS
9.8
EPSS
11.6%
EPSS pct
96th
Exploited
No known
The SonicWall Secure Remote Access server (version 8.1.0.2-14sv) is vulnerable to a Remote Command Injection vulnerability in its web administrative interface. This vulnerability occurs in the 'extensionsettings' CGI (/cgi-bin/extensionsettings) component responsible for handling some of the server's internal configurations. The CGI application doesn't properly escape the information it's passed when processing a particular multi-part form request involving scripts. The filename of the 'scriptname' variable is read in unsanitized before a call to system() is performed - allowing for remote command injection. Exploitation of this vulnerability yields shell access to the remote machine under the nobody user account. This is SonicWall Issue ID 181195.
Affected vendor
Dell
Affected product
Sonicwall Secure Remote Access Server
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2017-02-22

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 11.6% 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-2016-9683

  • Confirm whether Dell Sonicwall Secure Remote Access Server is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2016-9683.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-9683

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-9683 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2016-9683?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2016-9683.

Start free scan

No credit card. Agentless.

Related vulnerabilities

CRITICAL
CVE-2020-5377
Emc Openmanage Server Administrator vulnerability
CRITICAL
CVE-2020-9691
Magento vulnerability
CRITICAL
CVE-2020-15588
Manageengine Desktop Central vulnerability