A path traversal vulnerability in the Moxa MXview Network Management software Versions 3.x to 3.2.2 may allow an attacker to create or overwrite critical files used to execute code, such as programs or libraries.
Published 2021-10-12 14:15:08
Updated 2022-10-25 15:27:04
Source ICS-CERT
View at NVD,   CVE.org
Vulnerability category: Directory traversalExecute codeBypassGain privilege

Exploit prediction scoring system (EPSS) score for CVE-2021-38454

0.30%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-38454

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST
10.0
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
3.9
6.0
ICS-CERT
10.0
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
3.9
6.0
NIST

CWE ids for CVE-2021-38454

  • The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
    Assigned by: nvd@nist.gov (Primary)
  • The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
    Assigned by: ics-cert@hq.dhs.gov (Secondary)

References for CVE-2021-38454

Products affected by CVE-2021-38454

  • Moxa » Mxview
    Versions from including (>=) 3.0 and up to, including, (<=) 3.2.2
    cpe:2.3:a:moxa:mxview:*:*:*:*:*:*:*:*
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