VDB-176058 · MVID-2021-0229 · GCVE-100-176058

Backdoor.Win32.NerTe.772 Service Port 21 C:\WINDOWS\scanregs.exe 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.
4.9	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Backdoor.Win32.NerTe.772. This vulnerability affects unknown code of the file C:\WINDOWS\scanregs.exe of the component Service Port 21. The manipulation results in backdoor. The attack may be performed from remote. In addition, an exploit is available. Applying restrictive firewalling is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Backdoor.Win32.NerTe.772 (Remote Access Software) (affected version unknown). Affected is an unknown functionality of the file C:\WINDOWS\scanregs.exe of the component Service Port 21. The manipulation with an unknown input leads to a backdoor vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality.

The weakness was presented 05/29/2021 as MVID-2021-0229. The advisory is available at malvuln.com. Technical details and a public exploit are known. This vulnerability is assigned to T1588.001 by the MITRE ATT&CK project.

The exploit is shared for download at malvuln.com. It is declared as proof-of-concept.

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

Remote Access Software

Name

Backdoor.Win32.NerTe.772

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.3
VulDB Temp Score: 4.9
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

05/29/2021 🔍
05/29/2021 +0 days 🔍
05/29/2021 +0 days 🔍

Sourcesinfo

Advisory: MVID-2021-0229
Status: Not defined

GCVE (VulDB): GCVE-100-176058
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/29/2021 07:50
Changes: 05/29/2021 07:50 (40)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

Submit #13675: Backdoor.Win32.NerTe.772 / Unauthenticated Remote Command Execution (by malvuln)