4.2med
CVE-2020-3166
Cisco FXOS Software CLI Arbitrary File Read and Write Vulnerability
Published 6 y ago · modified 2 mo ago · JSON
CVSS
4.2
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
0.3%
percentile 21%
Public exploits
0
none known
Summary
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.
CISA SSVC assessment
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 23 mo ago
Exploit prediction (EPSS)
0.29% probability of exploitation in the next 30 days, higher than 21% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| CNA | 3.0 | 4.2 | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L |
| NVD | 3.1 | 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.0 | 4.2 | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Cisco Cisco Firepower Extensible Operating System (FXOS)
Classification
- Weakness
- CWE-20 Improper Input Validation
References
- tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20200226-fxos-cli-file · vendor-advisory, x_refsource_CISCO, x_transferred
Sources
- CVE List: CVE-2020-3166
- NVD: CVE-2020-3166
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