CVE-2020-36321 Directory traversal in development mode handler in Vaadin 14 and 15-17

Improper URL validation in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.4.1 Vaadin 14.0.0 through 14.4.2, and 3.0 prior to 5.0 Vaadin 15 prior to 18 allows attacker to request arbitrary files stored outside of intended frontend resources folder...

Directory traversal in development mode handler in Vaadin 14 and 15-17

Improper URL validation in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.4.1 Vaadin 14.0.0 through 14.4.2, and 3.0 prior to 5.0 Vaadin 15 prior to 18 allows attacker to request arbitrary files stored outside of intended frontend resources folder. See CWE-20: Improper...

curl: Port and service scanning on localhost due to improper URL validation.

Summary: Generally web masters and developers protect user-accessible CURL from requesting forbidden domains so that the attacker is not able to access internal resources. It is usually done using regular expressions. Mostly addresses like 127.x.x.x, 192.168.x.x and "integer" notation of IP...