THREATPORT/VULNERABILITY/CVE-2016-9684
CRITICAL SEVERITY

CVE-2016-9684

Sonicwall Secure Remote Access Server vulnerability

CVSS
9.8
EPSS
7.1%
EPSS pct
94th
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 'viewcert' CGI (/cgi-bin/viewcert) component responsible for processing SSL certificate information. The CGI application doesn't properly escape the information it's passed in the 'CERT' variable 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.
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 7.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2016-9684

  • 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-2016-9684.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-9684

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-9684 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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