VDB-214323 · Submit #53088 · MVID-2022-0659

Backdoor.Win32.Serman.a Service Port 21422 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 marked as critical has been reported in Backdoor.Win32.Serman.a. Affected is an unknown function of the component Service Port 21422. Performing a manipulation results in backdoor. The attack may be initiated remotely. In addition, an exploit is available. It is suggested to use restrictive firewalling.

Detailsinfo

A vulnerability was found in Backdoor.Win32.Serman.a (Remote Access Software) (the affected version is unknown). It has been classified as critical. This affects an unknown code of the component Service Port 21422. 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, integrity, and availability.

The weakness was presented 11/24/2022 as MVID-2022-0659. 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 shared for download at malvuln.com. It is declared as proof-of-concept.

It is possible to mitigate the weakness by firewalling .

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Remote Access Software

Name

Backdoor.Win32.Serman.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

11/24/2022 🔍
11/24/2022 +0 days 🔍
11/24/2022 +0 days 🔍

Sourcesinfo

Advisory: MVID-2022-0659
Status: Not defined

CVE: Not possible due to CNA Operational Rules
GCVE (VulDB): GCVE-100-214323
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/24/2022 10:17
Changes: 11/24/2022 10:17 (41)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

Submit #53088: Backdoor.Win32.Serman.a / Unauthenticated Open Proxy (by malvuln)