Vulnerability Details : 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.
Published 2022-11-30 14:15:11
Updated 2022-12-02 18:29:25
Source VulDB
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-4242

EPSS FAQ
0.64%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 79 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-4242

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.3
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
2.8
3.4
 VulDB
8.8
 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
 NIST

CWE ids for CVE-2021-4242

  • The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
    Assigned by: cna@vuldb.com (Secondary)
  • The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
    Assigned by:
    • cna@vuldb.com (Secondary)
    • nvd@nist.gov (Primary)
  • The product does not ensure or incorrectly ensures that structured messages or data are well-formed and that certain security properties are met before being read from an upstream component or sent to a downstream component.
    Assigned by: cna@vuldb.com (Secondary)

References for CVE-2021-4242

Products affected by CVE-2021-4242

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