The SIP module in Ingate Firewall before 4.6.1 and SIParator before 4.6.1 does not reuse SIP media ports in unspecified call hold and send-only stream scenarios, which allows remote attackers to cause a denial of service (port exhaustion) via unspecified vectors.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.012
EPSS Ranking 77.9%