AdGuard Home: HTTP/2 Cleartext (h2c) Upgrade Authentication Bypass

An unauthenticated remote attacker can bypass all authentication in AdGuardHome by sending an HTTP/1.1 request that requests an upgrade to HTTP/2 cleartext h2c. Once the upgrade is accepted, the resulting HTTP/2 connection is handled by the inner mux, which has no authentication middleware...

DEBIAN-CVE-2021-22946

A user can tell curl = 7.20.0 and = 7.78.0 to require a successful upgrade to TLS when speaking to an IMAP, POP3 or FTP server --ssl-reqd on the command line orCURLOPTUSESSL set to CURLUSESSLCONTROL or CURLUSESSLALL withlibcurl. This requirement could be bypassed if the server would return a...

Design/Logic Flaw

Huawei Campus S7700 with software V200R001C00SPC300, V200R002C00SPC100, V200R003C00SPC300; S9300 with software V200R001C00SPC300, V200R002C00SPC100, V200R003C00SPC300; S9700 with software V200R001C00SPC300, V200R002C00SPC100, V200R003C00SPC300 allow unauthorized users to upgrade the bootrom or...