Home/CVE/A vulnerability in lack of validation of user-supplied parameters pass to XML-RPC calls on SonicWall Global Management S
CVE

CVE-2018-9866

A vulnerability in lack of validation of user-supplied parameters pass to XML-RPC calls on SonicWall Global Management S

A vulnerability in lack of validation of user-supplied parameters pass to XML-RPC calls on SonicWall Global Management System (GMS) virtual appliance's, allow remote user to execute arbitrary code. This vulnerability affected GMS version 8.1 and earlier.

CRITICAL · CVSS 9.8 EPSS 0.11228
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  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 6% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')
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Affected Products & Versions

1
sonicwall global management system<= 8.1
⚠

Public Exploits & PoCs

1
pocgithub.com · 10305github.com
◈

Detection Rules (IDS/IPS)

1
et-openET EXPLOIT SonicWall Global Management System - XMLRPC set_time_zone Command Injection (CVE-2018-9866)attempted-user
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · PSIRT@sonicwall.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Aug 2018 · 08:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0007Third Party Advisory
https://twitter.com/ddouhine/status/1019251292202586112Third Party Advisory
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