Schmid ZI 620 V400 VPN 090 SSH Subcommand Menu Shell Metacharacter os 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.
9.8$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Schmid ZI 620 V400 VPN 090. This affects an unknown function of the component SSH Subcommand Menu. The manipulation as part of Shell Metacharacter results in os command injection. This vulnerability is cataloged as CVE-2020-6760. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Schmid ZI 620 V400 VPN 090 (Network Encryption Software) (unknown version). It has been classified as very critical. Affected is an unknown code block of the component SSH Subcommand Menu. The manipulation as part of a Shell Metacharacter leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Schmid ZI 620 V400 VPN 090 routers allow an attacker to execute OS commands as root via shell metacharacters to an entry on the SSH subcommand menu, as demonstrated by ping.

The weakness was shared 02/06/2020. This vulnerability is traded as CVE-2020-6760 since 01/09/2020. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/07/2020). The MITRE ATT&CK project declares the attack technique as T1202.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.8

VulDB Base Score: 9.8
VulDB Temp Score: 9.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/09/2020 🔍
02/06/2020 +28 days 🔍
02/07/2020 +1 days 🔍
03/28/2024 +1511 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2020-6760 (🔍)
GCVE (CVE): GCVE-0-2020-6760
GCVE (VulDB): GCVE-100-149784

Entryinfo

Created: 02/07/2020 11:23
Updated: 03/28/2024 19:42
Changes: 02/07/2020 11:23 (35), 02/07/2020 11:28 (18), 03/28/2024 19:42 (17)
Complete: 🔍
Cache ID: 216::103

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