CVE-2020-3503

Summary

CVE-2020-3503 is a vulnerability affecting the file system permissions in Cisco IOS XE Software. An authenticated, local attacker can exploit this issue to gain read and write access to critical configuration or system files, bypassing normal access restrictions. This vulnerability arises due to insufficient file system permissions on the affected device. An attacker could exploit this flaw by connecting to the guest shell of an affected device and accessing or modifying restricted files. Successful exploitation allows the attacker to view or modify restricted information or configurations that are typically inaccessible to administrators.

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