CVE-2021-3774
Meross Smart Wi-Fi 2 Way Wall Switch Wi-Fi Access Point Information Leak
Description
Meross Smart Wi-Fi 2 Way Wall Switch (MSS550X), on its 3.1.3 version and before, creates an open Wi-Fi Access Point without the required security measures in its initial setup. This could allow a remote attacker to obtain the Wi-Fi SSID as well as the password configured by the user from Meross app via Http/JSON plain request.
INFO
Published Date :
Nov. 5, 2021, 9:15 p.m.
Last Modified :
Nov. 20, 2023, 2:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
4.0
Exploitability Score :
2.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-3774.
| URL | Resource |
|---|---|
| https://www.incibe.es/en/incibe-cert/notices/aviso/meross-mss550x-missing-encryption-sensitive-data |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-3774 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-3774 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 20, 2023
Action Type Old Value New Value Removed CVSS V3.1 Spanish National Cybersecurity Institute, S.A. (INCIBE) AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N Added CVSS V3.1 Spanish National Cybersecurity Institute, S.A. (INCIBE) AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N -
CVE Modified by [email protected]
Nov. 09, 2023
Action Type Old Value New Value Added Reference Spanish National Cybersecurity Institute, S.A. (INCIBE) https://www.incibe.es/en/incibe-cert/notices/aviso/meross-mss550x-missing-encryption-sensitive-data [No types assigned] Removed Reference Spanish National Cybersecurity Institute, S.A. (INCIBE) https://www.incibe-cert.es/en/early-warning/security-advisories/meross-mss550x-missing-encryption-sensitive-data Added CWE Spanish National Cybersecurity Institute, S.A. (INCIBE) CWE-319 Removed CWE Spanish National Cybersecurity Institute, S.A. (INCIBE) CWE-311 -
Reanalysis by [email protected]
Oct. 27, 2022
Action Type Old Value New Value Removed CWE NIST CWE-311 Added CWE NIST CWE-319 -
Initial Analysis by [email protected]
Nov. 09, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Changed Reference Type https://www.incibe-cert.es/en/early-warning/security-advisories/meross-mss550x-missing-encryption-sensitive-data No Types Assigned https://www.incibe-cert.es/en/early-warning/security-advisories/meross-mss550x-missing-encryption-sensitive-data Third Party Advisory Added CWE NIST CWE-311 Added CPE Configuration AND OR *cpe:2.3:o:meross:mss550x_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.1.3 OR cpe:2.3:h:meross:mss550x:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-3774 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-3774
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.22 }} 0.01%
score
0.60781
percentile