VDB-178322 · MVID-2021-0286 · GCVE-100-178322

Backdoor.Win32.NerTe.a Service Port 21 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 was found in Backdoor.Win32.NerTe.a and classified as critical. Affected by this issue is some unknown functionality of the component Service Port 21. Such manipulation leads to backdoor. The attack can be launched remotely. Moreover, an exploit is present. Restrictive firewalling should be applied.

Detailsinfo

A vulnerability was found in Backdoor.Win32.NerTe.a (Remote Access Software) (the affected version is unknown) and classified as critical. Affected by this issue is an unknown code of the component Service Port 21. 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 disclosed 07/13/2021 as MVID-2021-0286. The advisory is available at malvuln.com. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1588.001 by the MITRE ATT&CK project.

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

Addressing this vulnerability is possible 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.a

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

07/13/2021 🔍
07/13/2021 +0 days 🔍
07/13/2021 +0 days 🔍

Sourcesinfo

Advisory: MVID-2021-0286
Status: Not defined

GCVE (VulDB): GCVE-100-178322
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/13/2021 07:50
Changes: 07/13/2021 07:50 (39)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

Submit #16165: Backdoor.Win32.NerTe.a / Unauthenticated Remote Command Execution (by malvuln)