Vulnerability Details : CVE-2021-39242
An issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. It can lead to a situation with an attacker-controlled HTTP Host header, because a mismatch between Host and authority is mishandled.
Threat overview for CVE-2021-39242
Top countries where our scanners detected CVE-2021-39242
Top open port discovered on systems with this issue
80
IPs affected by CVE-2021-39242 40
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2021-39242!
*Directly or indirectly through your vendors, service providers and 3rd parties.
Powered by
attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2021-39242
0.50%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 77 %
Percentile, the proportion of vulnerabilities that are scored at or less