A vulnerability in the file system of Cisco IoT Field Network Director (FND) could allow an authenticated, remote attacker to overwrite files on an affected system. The vulnerability is due to insufficient file system protections. An attacker could exploit this vulnerability by crafting API requests and sending them to an affected system. A successful exploit could allow the attacker to overwrite files on an affected system.
Published 2020-11-18 18:15:12
Updated 2020-11-25 17:37:50
View at NVD,   CVE.org
Vulnerability category: Directory traversalFile inclusion

Exploit prediction scoring system (EPSS) score for CVE-2020-26078

0.12%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 46 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-26078

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.5
MEDIUM AV:N/AC:L/Au:S/C:N/I:P/A:P
8.0
4.9
NIST
4.9
MEDIUM CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
1.2
3.6
Cisco Systems, Inc.
6.5
MEDIUM CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
1.2
5.2
NIST

CWE ids for CVE-2020-26078

  • 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 allows user input to control or influence paths or file names that are used in filesystem operations.
    Assigned by: ykramarz@cisco.com (Secondary)

References for CVE-2020-26078

Products affected by CVE-2020-26078

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