VDB-183359 · MVID-2021-0349 · GCVE-100-183359

Backdoor.Win32.Hupigon.fjcd Service Port 8080 backdoor

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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Backdoor.Win32.Hupigon.fjcd. Affected by this vulnerability is an unknown functionality of the component Service Port 8080. The manipulation leads to backdoor. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Backdoor.Win32.Hupigon.fjcd (Remote Access Software) (affected version unknown). This issue affects an unknown functionality of the component Service Port 8080. The manipulation with an unknown input leads to a backdoor vulnerability. Using CWE to declare the problem leads to CWE-912. The product contains functionality that is not documented, not part of the specification, and not accessible through an interface or command sequence that is obvious to the product's users or administrators. Impacted is confidentiality, integrity, and availability.

The weakness was shared 09/27/2021 as MVID-2021-0349. It is possible to read the advisory at malvuln.com. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1588.001 according to MITRE ATT&CK.

The exploit is available at malvuln.com. It is declared as proof-of-concept.

Addressing this vulnerability is possible by firewalling .

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

Productinfo

Type

Remote Access Software

Name

Backdoor.Win32.Hupigon.fjcd

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Backdoor
CWE: CWE-912
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/27/2021 🔍
09/27/2021 +0 days 🔍
09/27/2021 +0 days 🔍

Sourcesinfo

Advisory: MVID-2021-0349
Status: Not defined

GCVE (VulDB): GCVE-100-183359
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/27/2021 07:45
Changes: 09/27/2021 07:45 (39)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

Submit #21260: Backdoor.Win32.Hupigon.fjcd / Unauthenticated Open Proxy (by malvuln)