Product of Apache

HTTP Server

As of , 4 Apache HTTP Server vulnerabilities are on CISA's list of exploited vulnerabilities, 2 of them used in ransomware campaigns; 0 were added in 2026. Patch first: CVE-2021-41773.

Patch first

Patch first
#VulnerabilityProductOur groupListedDeadlineEPSS
1CVE-2021-41773Path TraversalApache HTTP ServerPatch this weekRansomware use; Metasploit module; EPSS 0.99; verified Exploit-DB entry0.99
2CVE-2021-42013Path TraversalApache HTTP ServerPatch this weekRansomware use; Metasploit module; EPSS 0.99; verified Exploit-DB entry0.99
3CVE-2024-38475Improper Escaping of OutputApache HTTP ServerPatch this weekEPSS 0.990.99
4CVE-2019-0211Privilege EscalationApache HTTP ServerPatch this weekEPSS 0.650.65

Added each year

1232021: 3320212022: nonenone20222023: nonenone20232024: nonenone20242025: 1120252026: nonenone2026
Entries CISA added each year, removed ones included. Source: CISA KEV.
Show the numbers
Periodentries added
20213
2022none
2023none
2024none
20251
2026none

Used in ransomware