CVE-2025-20219

CVE-2025-20219 describes an access control bypass vulnerability in Cisco Secure Firewall ASA and FTD software. The issue stems from improper enforcement of loopback interface access control rules, allowing an unauthenticated, remote attacker to send traffic that should be blocked to a loopback in...

CVE-2021-32076

Access Restriction Bypass via referrer spoof was discovered in SolarWinds Web Help Desk 12.7.2. An attacker can access the 'Web Help Desk Getting Started Wizard', especially the admin account creation page, from a non-privileged IP address network range or loopback address by intercepting the HTT...

CVE-2018-12301

Unvalidated URL in Download Manager in Seagate NAS OS version 4.3.15.1 allows attackers to access the loopback interface via a Download URL of 127.0.0.1 or localhost...

kernel: drivers/block/loop.c mishandles lo_release serialization allowing denial-of-service

A flaw was found in the Linux kernel's handling of loopback devices. An attacker, who has permissions to setup loopback disks, may create a denial of service or other unspecified actions...