RCE in Cisco Adaptive Security Appliance Software

CVE-2020-3457

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.004 (33.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3457?
CVE-2020-3457 is a medium-severity vulnerability in Cisco Adaptive Security Appliance Software, classified under OS Command Injection. CVSS score: 6.7/10. Published 2020-10-21.
How severe is CVE-2020-3457?
Medium severity. CVSS v3 base score is 6.7 out of 10.