VDB-137332 · CVE-2018-20850 · GCVE-0-2018-20850

Stormshield Network Security up to 2.13.0/3.7.1 Command Line Interface cross site scripting

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Stormshield Network Security up to 2.13.0/3.7.1. It has been declared as problematic. This affects an unknown function of the component Command Line Interface. Executing a manipulation can lead to cross site scripting. This vulnerability is tracked as CVE-2018-20850. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as problematic was found in Stormshield Network Security up to 2.13.0/3.7.1. This vulnerability affects some unknown processing of the component Command Line Interface. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

Stormshield Network Security 2.0.0 through 2.13.0 and 3.0.0 through 3.7.1 has self-XSS in the command line interface of the SNS web server.

The weakness was disclosed 07/04/2019. This vulnerability was named CVE-2018-20850 since 07/04/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Stormshield

Name

Network Security

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 2.4
VulDB Temp Score: 2.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.2
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: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/04/2019 🔍
07/04/2019 +0 days 🔍
07/05/2019 +1 days 🔍
10/17/2023 +1565 days 🔍

Sourcesinfo

Advisory: advisories.stormshield.eu
Status: Not defined

CVE: CVE-2018-20850 (🔍)
GCVE (CVE): GCVE-0-2018-20850
GCVE (VulDB): GCVE-100-137332

Entryinfo

Created: 07/05/2019 06:56
Updated: 10/17/2023 10:48
Changes: 07/05/2019 06:56 (35), 07/01/2020 09:52 (17), 10/17/2023 10:48 (3)
Complete: 🔍
Cache ID: 216::103