description: In Apache HTTP Server 2.4 release 2.4.38 and prior, a race condition in mod_auth_digest when running in a threaded server could allow a user with valid credentials to authenticate using another username, bypassing configured access control restrictions.
problem types: Access Control Bypass
affected:
{
product: Apache HTTP Server
vendor: Apache
versions:
status: affected, version: 2.4.0 to 2.4.38
}