CRLF injection vulnerability in BSMTP.DLL in B21Soft BASP21 2003.0211, and BASP21 Pro 1.0.702.27 and earlier, allows remote attackers to inject arbitrary headers into e-mail messages via CRLF sequences in Subject lines.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 65.6%