CVE-2021-4242
Sapido Os Command Injection Vulnerability
Description
A vulnerability was found in Sapido BR270n, BRC76n, GR297 and RB1732 and classified as critical. Affected by this issue is some unknown functionality of the file ip/syscmd.htm. The manipulation leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-214592.
INFO
Published Date :
Nov. 30, 2022, 2:15 p.m.
Last Modified :
Nov. 21, 2024, 6:37 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
Affected Products
The following products are affected by CVE-2021-4242
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
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-2021-4242.
| URL | Resource |
|---|---|
| https://blog.csdn.net/qq_44159028/article/details/114590267 | Exploit Third Party Advisory |
| https://github.com/smallpiggy/Sapido--rce/blob/main/Sapido%E8%B7%AF%E7%94%B1%E5%99%A8-rce.py | Exploit Third Party Advisory |
| https://vuldb.com/?id.214592 | Third Party Advisory |
| https://blog.csdn.net/qq_44159028/article/details/114590267 | Exploit Third Party Advisory |
| https://github.com/smallpiggy/Sapido--rce/blob/main/Sapido%E8%B7%AF%E7%94%B1%E5%99%A8-rce.py | Exploit Third Party Advisory |
| https://vuldb.com/?id.214592 | Third Party Advisory |
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-2021-4242 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-4242 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://blog.csdn.net/qq_44159028/article/details/114590267 Added Reference https://github.com/smallpiggy/Sapido--rce/blob/main/Sapido%E8%B7%AF%E7%94%B1%E5%99%A8-rce.py Added Reference https://vuldb.com/?id.214592 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Removed CWE VulDB CWE-78 Removed CWE VulDB CWE-74 -
Initial Analysis by [email protected]
Dec. 02, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://blog.csdn.net/qq_44159028/article/details/114590267 No Types Assigned https://blog.csdn.net/qq_44159028/article/details/114590267 Exploit, Third Party Advisory Changed Reference Type https://github.com/smallpiggy/Sapido--rce/blob/main/Sapido%E8%B7%AF%E7%94%B1%E5%99%A8-rce.py No Types Assigned https://github.com/smallpiggy/Sapido--rce/blob/main/Sapido%E8%B7%AF%E7%94%B1%E5%99%A8-rce.py Exploit, Third Party Advisory Changed Reference Type https://vuldb.com/?id.214592 No Types Assigned https://vuldb.com/?id.214592 Third Party Advisory Added CWE NIST CWE-78 Added CPE Configuration AND OR *cpe:2.3:o:sapido:br270n_firmware:2.1.03:*:*:*:*:*:*:* OR cpe:2.3:h:sapido:br270n:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:sapido:brc76n_firmware:2.1.03:*:*:*:*:*:*:* OR cpe:2.3:h:sapido:brc76n:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:sapido:gr297n_firmware:2.1.3:*:*:*:*:*:*:* OR cpe:2.3:h:sapido:gr297n:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:sapido:rb-1732_firmware:2.0.43:*:*:*:*:*:*:* OR cpe:2.3:h:sapido:rb-1732:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-4242 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-2021-4242
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.03 }} 0.12%
score
0.83669
percentile