Medium severity5.5NVD Advisory· Published Sep 24, 2020· Updated Jun 17, 2026
CVE-2020-3477
CVE-2020-3477
Description
A vulnerability in the CLI parser of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local attacker to access files from the flash: filesystem. The vulnerability is due to insufficient application of restrictions during the execution of a specific command. An attacker could exploit this vulnerability by using a specific command at the command line. A successful exploit could allow the attacker to obtain read-only access to files that are located on the flash: filesystem that otherwise might not have been accessible.
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Affected products
3- Range: n/a
Patches
Vulnerability mechanics
References
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