Vulnerability Details : CVE-2002-0839
The shared memory scoreboard in the HTTP daemon for Apache 1.3.x before 1.3.27 allows any user running as the Apache UID to send a SIGUSR1 signal to any process as root, resulting in a denial of service (process kill) or possibly other behaviors that would not normally be allowed, by modifying the parent[].pid and parent[].last_rtime segments in the scoreboard.
Vulnerability category: Denial of service
Threat overview for CVE-2002-0839
Top countries where our scanners detected CVE-2002-0839
Top open port discovered on systems with this issue
80
IPs affected by CVE-2002-0839 10,863
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2002-0839
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 36 %
Percentile, the proportion of vulnerabilities that are scored at or less