CVE-2021-4242

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-4242
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.

6.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References
Link 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
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:sapido:br270n_firmware:2.1.03:*:*:*:*:*:*:*
cpe:2.3:h:sapido:br270n:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:sapido:brc76n_firmware:2.1.03:*:*:*:*:*:*:*
cpe:2.3:h:sapido:brc76n:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:sapido:gr297n_firmware:2.1.3:*:*:*:*:*:*:*
cpe:2.3:h:sapido:gr297n:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:sapido:rb-1732_firmware:2.0.43:*:*:*:*:*:*:*
cpe:2.3:h:sapido:rb-1732:-:*:*:*:*:*:*:*
History

21 Nov 2024, 06:37

Type Values Removed Values Added
CVSS v2 : unknown
v3 : 8.8 		v2 : unknown
v3 : 6.3
References () https://blog.csdn.net/qq_44159028/article/details/114590267 - Exploit, Third Party Advisory () https://blog.csdn.net/qq_44159028/article/details/114590267 - Exploit, Third Party Advisory
References () 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://github.com/smallpiggy/Sapido--rce/blob/main/Sapido%E8%B7%AF%E7%94%B1%E5%99%A8-rce.py - Exploit, Third Party Advisory
References () https://vuldb.com/?id.214592 - Third Party Advisory () https://vuldb.com/?id.214592 - Third Party Advisory

02 Dec 2022, 18:29

Type Values Removed Values Added
References (MISC) https://vuldb.com/?id.214592 - (MISC) https://vuldb.com/?id.214592 - Third Party Advisory
References (MISC) https://github.com/smallpiggy/Sapido--rce/blob/main/Sapido%E8%B7%AF%E7%94%B1%E5%99%A8-rce.py - (MISC) https://github.com/smallpiggy/Sapido--rce/blob/main/Sapido%E8%B7%AF%E7%94%B1%E5%99%A8-rce.py - Exploit, Third Party Advisory
References (MISC) https://blog.csdn.net/qq_44159028/article/details/114590267 - (MISC) https://blog.csdn.net/qq_44159028/article/details/114590267 - Exploit, Third Party Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 8.8
CPE cpe:2.3:h:sapido:br270n:-:*:*:*:*:*:*:*
cpe:2.3:o:sapido:gr297n_firmware:2.1.3:*:*:*:*:*:*:*
cpe:2.3:h:sapido:rb-1732:-:*:*:*:*:*:*:*
cpe:2.3:h:sapido:brc76n:-:*:*:*:*:*:*:*
cpe:2.3:o:sapido:br270n_firmware:2.1.03:*:*:*:*:*:*:*
cpe:2.3:h:sapido:gr297n:-:*:*:*:*:*:*:*
cpe:2.3:o:sapido:rb-1732_firmware:2.0.43:*:*:*:*:*:*:*
cpe:2.3:o:sapido:brc76n_firmware:2.1.03:*:*:*:*:*:*:*
CWE CWE-707
CWE-74

30 Nov 2022, 15:14

Type Values Removed Values Added
New CVE
Information

Published : 2022-11-30 14:15

Updated : 2024-11-21 06:37

NVD link : CVE-2021-4242

Mitre link : CVE-2021-4242

CVE.ORG link : CVE-2021-4242

JSON object : View

Products Affected

sapido

  • rb-1732
  • brc76n
  • gr297n_firmware
  • br270n_firmware
  • brc76n_firmware
  • rb-1732_firmware
  • gr297n
  • br270n
CWE
CWE-707

Improper Neutralization

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')