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CVE-2020-3166

MEDIUMCVSS 6.7/10EPSS 0.29%

Last modified

CVE-2020-3166 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to read or write arbitrary files on the underlying operating system (OS). The vulnerability is due to insufficient input validation. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to read or write arbitrary files on the underlying operating system (OS). The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by including crafted arguments to a specific CLI command. A successful exploit could allow the attacker to read or write to arbitrary files on the underlying OS.

Metrics

CVSS 3.1
6.7/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.29%

20.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoFirepower Threat Defense>= 6.2.2, < 6.2.3.16
CiscoFirepower Threat Defense>= 6.3.0, < 6.5.0.3
CiscoAdaptive Security Appliance Software>= 9.8, < 9.9.2.66
CiscoAdaptive Security Appliance Software>= 9.10, < 9.13.1.5
CiscoFirepower Extensible Operating System< 2.2.2.97
CiscoFirepower Extensible Operating System>= 2.3, < 2.3.1.155
CiscoFirepower Extensible Operating System>= 2.4, < 2.4.1.238
CiscoFirepower Extensible Operating System>= 2.6, < 2.6.1.157

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-3166?
A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to read or write arbitrary files on the underlying operating system (OS). The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by including crafted arguments to a specific CLI command. A successful exploit could allow the attacker to read or write to arbitrary files on the underlying OS.
How severe is CVE-2020-3166?
CVE-2020-3166 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-2020-3166?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-3166?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST