Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.
From VID-49B61AB6-0D04-11EA-87CA-001999F8D30B:
The Asterisk project reports:
A remote authenticated Asterisk Manager Interface (AMI)
user without system authorization could use a specially
crafted Originate AMI request to execute arbitrary system
commands.
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