SB2020022713 - Arbitrary File Read and Write in Cisco FXOS Software

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Main Vulnerability Database SB2020022713

SB2020022713 - Arbitrary File Read and Write in Cisco FXOS Software

Published: February 27, 2020

Security Bulletin ID SB2020022713
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Input validation error (CVE-ID: CVE-2020-3166)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to read or write arbitrary files on the target system.

The vulnerability exists due to insufficient validation of user-supplied input. A local user can include specially crafted arguments to a specific CLI command and read or write to arbitrary files on the underlying OS.

This vulnerability affects the following Cisco products if they are running a vulnerable release of Cisco FXOS Software:

  • Firepower 1000 Series
  • Firepower 2100 Series
  • Firepower 4100 Series
  • Firepower 9300 Security Appliances


Remediation

Install update from vendor's website.

References