VDB-122615 · CVE-2018-9866 · Qualys 13224

SonicWALL Global Management System up to 8.1 XML-RPC Call Parameter command injection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in SonicWALL Global Management System up to 8.1 and classified as critical. This impacts an unknown function of the component XML-RPC Call Handler. The manipulation as part of Parameter leads to input validation. This vulnerability is referenced as CVE-2018-9866. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in SonicWALL Global Management System up to 8.1 (Firewall Software). It has been rated as critical. This issue affects an unknown part of the component XML-RPC Call Handler. The manipulation as part of a Parameter leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The bug was discovered 07/17/2018. The weakness was published 08/03/2018 (Website). It is possible to read the advisory at psirt.global.sonicwall.com. The identification of this vulnerability is CVE-2018-9866 since 04/09/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 17 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13224 (SonicWall GMS XML-RPC Remote Code Execution Vulnerability (SNWLID-2018-0007)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Firewall Software

Vendor

SonicWALL

Name

Global Management System

Version

License

commercial

Website

Vendor: https://www.sonicwall.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com
Suricata ID: 2026023
Suricata Class: 🔍
Suricata Message: 🔍

Timelineinfo

04/09/2018 🔍
07/17/2018 +99 days 🔍
08/03/2018 +16 days 🔍
08/03/2018 +0 days 🔍
08/04/2018 +1 days 🔍
05/05/2025 +2466 days 🔍

Sourcesinfo

Vendor: sonicwall.com

Advisory: psirt.global.sonicwall.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-9866 (🔍)
GCVE (CVE): GCVE-0-2018-9866
GCVE (VulDB): GCVE-100-122615

Entryinfo

Created: 08/04/2018 08:11
Updated: 05/05/2025 21:50
Changes: 08/04/2018 08:11 (63), 03/13/2020 13:10 (2), 04/29/2023 15:36 (3), 05/05/2025 21:50 (22)
Complete: 🔍
Cache ID: 216::103