High severity · published Oct 21, 2020
CVE-2020-3459
A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privileges
7.8
CVSS
0.4%
EPSS
No
On KEV
Description
A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privileges. The vulnerability is due to insufficient input validation of commands supplied by the user. An attacker could exploit this vulnerability by authenticating to a device and submitting crafted input to the affected command. A successful exploit could allow the attacker to execute commands on the underlying operating system with root privileges.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Firepower Extensible Operating System · Cisco
before 2.4.1.266; 2.6 before 2.6.1.204; 2.7 before 2.7.1.131; 2.8 before 2.8.1.125 · source: NVD
Affected product
FE
Firepower Extensible Operating System
Cisco
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-3459
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-3459
Patch
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-cmdinj-b63rwKPm
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