Gryphon Tower Router Service Port 9999 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.
9.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Gryphon Tower Router. Affected is an unknown function of the component Service Port 9999. The manipulation results in command injection. This vulnerability is known as CVE-2021-20139. It is possible to launch the attack remotely. No exploit is available. Applying restrictive firewalling is recommended.

Detailsinfo

A vulnerability was found in Gryphon Tower Router (Router Operating System) (the affected version unknown). It has been classified as very critical. Affected is an unknown part of the component Service Port 9999. The manipulation with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 12/09/2021. The advisory is available at tenable.com. This vulnerability is traded as CVE-2021-20139 since 12/17/2020. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 12/15/2021). This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

It is possible to mitigate the weakness by firewalling .

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 9.0

VulDB Base Score: 9.8
VulDB Temp Score: 9.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: 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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/17/2020 🔍
12/09/2021 +357 days 🔍
12/09/2021 +0 days 🔍
12/15/2021 +6 days 🔍

Sourcesinfo

Advisory: tenable.com
Status: Not defined

CVE: CVE-2021-20139 (🔍)
GCVE (CVE): GCVE-0-2021-20139
GCVE (VulDB): GCVE-100-187890

Entryinfo

Created: 12/09/2021 19:00
Updated: 12/15/2021 09:23
Changes: 12/09/2021 19:00 (38), 12/15/2021 09:18 (1), 12/15/2021 09:23 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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