Meross MSS550X up to 3.1.3 Access Point missing encryption

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 (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Meross MSS550X up to 3.1.3 and classified as problematic. This vulnerability affects unknown code of the component Access Point Handler. Performing a manipulation results in missing encryption. This vulnerability is cataloged as CVE-2021-3774. The attack must originate from the local network. There is no exploit available.

Detailsinfo

A vulnerability was found in Meross MSS550X up to 3.1.3. It has been classified as problematic. This affects an unknown part of the component Access Point Handler. The manipulation with an unknown input leads to a missing encryption vulnerability. CWE is classifying the issue as CWE-311. The product does not encrypt sensitive or critical information before storage or transmission. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 11/06/2021. The advisory is shared at incibe-cert.es. This vulnerability is uniquely identified as CVE-2021-3774 since 09/06/2021. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.3
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing encryption
CWE: CWE-311 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/06/2021 🔍
11/06/2021 +61 days 🔍
11/06/2021 +0 days 🔍
11/10/2021 +4 days 🔍

Sourcesinfo

Advisory: incibe-cert.es
Status: Not defined
Confirmation: 🔍

CVE: CVE-2021-3774 (🔍)
GCVE (CVE): GCVE-0-2021-3774
GCVE (VulDB): GCVE-100-186189

Entryinfo

Created: 11/06/2021 09:47
Updated: 11/10/2021 12:57
Changes: 11/06/2021 09:47 (46), 11/10/2021 12:57 (2)
Complete: 🔍
Cache ID: 216::103

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