AI Score
Confidence
High
EPSS
Percentile
93.6%
Exim 4 before 4.94.2 has Improper Initialization that can lead to recursion-based stack consumption or other consequences. This occurs because use of certain getc functions is mishandled when a client uses BDAT instead of DATA.
www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28019-BDATA.txt