Backdoor.Win32.WinShell.40 Service Port 5277 backdoor

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Backdoor.Win32.WinShell.40. Affected is an unknown function of the component Service Port 5277. Executing a manipulation can lead to backdoor. The attack may be performed from remote. In addition, an exploit is available. The application of restrictive firewalling is recommended.

Detailsinfo

A vulnerability was found in Backdoor.Win32.WinShell.40 (Remote Access Software) (the affected version unknown). It has been declared as critical. This vulnerability affects an unknown part of the component Service Port 5277. The manipulation with an unknown input leads to a backdoor vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 07/28/2021 as MVID-2021-0310. The advisory is shared for download at malvuln.com. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1588.001.

It is possible to download the exploit at malvuln.com. It is declared as proof-of-concept.

Proper firewalling of is able to address this issue.

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

Productinfo

Type

Name

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/28/2021 🔍
07/28/2021 +0 days 🔍
07/28/2021 +0 days 🔍

Sourcesinfo

Advisory: MVID-2021-0310
Status: Not defined

GCVE (VulDB): GCVE-100-179728
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/28/2021 06:57
Changes: 07/28/2021 06:57 (39)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #17227: Backdoor.Win32.WinShell.40 / Unauthenticated Remote Command Execution (by malvuln)

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

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