Apache HTTP Server 2.4.27
http_serverevery versioncounted 2026-10-09 03:20 UTC
As of 2026-10-09, 546 hosts ran Apache HTTP Server 2.4.27 with at least one known CVE on a service open at their latest check; 114 distinct CVEs match this version.
Known CVEs on hosts running it
546hosts with known CVEs
114distinct CVEs
A match is an indication, not proof: it is based on the software version a service reported, and fixes are often backported without changing the version.
Not counted: 12 hosts with CVEs of it only from an older observation (software reported earlier, no service of that kind open now).
Most common CVEs
| CVE | Hosts |
|---|---|
| CVE-2024-47252 HIGH 7.5 | 1 015 |
| CVE-2025-49630 HIGH 7.5 | 1 015 |
| CVE-2022-30556 HIGH 7.5 | 1 014 |
| CVE-2025-53020 HIGH 7.5 | 1 014 |
| CVE-2022-28615 CRITICAL 9.1 | 1 013 |
| CVE-2026-33857 MEDIUM 5.3 | 1 013 |
| CVE-2024-38475 CRITICAL 9.1 known exploited | 1 012 |
| CVE-2021-44790 CRITICAL 9.8 | 1 012 |
| CVE-2022-31813 CRITICAL 9.8 | 1 012 |
| CVE-2024-43204 HIGH 7.5 | 1 012 |
| CVE-2025-49812 HIGH 7.4 | 1 012 |
| CVE-2025-65082 MEDIUM 6.5 | 1 012 |
| CVE-2025-66200 MEDIUM 5.4 | 1 012 |
| CVE-2019-0211 HIGH 7.8 known exploited | 1 011 |
| CVE-2024-38476 CRITICAL 9.8 | 1 011 |
| CVE-2022-22719 HIGH 7.5 | 1 011 |
| CVE-2022-26377 HIGH 7.5 | 1 011 |
| CVE-2024-38477 HIGH 7.5 | 1 011 |
| CVE-2024-39573 HIGH 7.5 | 1 011 |
| CVE-2024-42516 HIGH 7.5 | 1 011 |
| CVE-2026-34059 HIGH 7.5 | 1 011 |
| CVE-2022-28614 MEDIUM 5.3 | 1 011 |
| CVE-2022-37436 MEDIUM 5.3 | 1 011 |
| CVE-2022-22720 CRITICAL 9.8 | 1 010 |
| CVE-2023-25690 CRITICAL 9.8 | 1 010 |
| CVE-2022-22721 CRITICAL 9.1 | 1 010 |
| CVE-2022-36760 CRITICAL 9.0 | 1 010 |
| CVE-2022-29404 HIGH 7.5 | 1 010 |
| CVE-2026-33007 MEDIUM 5.3 | 1 010 |
| CVE-2026-34032 MEDIUM 5.3 | 1 010 |
| CVE-2022-23943 CRITICAL 9.8 | 1 009 |
| CVE-2018-1333 HIGH 7.5 | 1 009 |
| CVE-2025-59775 HIGH 7.5 | 1 009 |
| CVE-2026-29169 HIGH 7.5 | 1 009 |
| CVE-2023-45802 MEDIUM 5.9 | 1 009 |
| CVE-2019-0220 MEDIUM 5.3 | 1 009 |
| CVE-2026-33006 MEDIUM 4.8 | 1 009 |
| CVE-2024-38474 CRITICAL 9.8 | 1 008 |
| CVE-2026-24072 HIGH 8.8 | 1 008 |
| CVE-2018-1303 HIGH 7.5 | 1 008 |
| CVE-2018-17199 HIGH 7.5 | 1 008 |
| CVE-2019-0217 HIGH 7.5 | 1 008 |
| CVE-2020-9490 HIGH 7.5 | 1 008 |
| CVE-2021-26690 HIGH 7.5 | 1 008 |
| CVE-2023-31122 HIGH 7.5 | 1 008 |
| CVE-2026-33523 MEDIUM 6.5 | 1 008 |
| CVE-2019-10098 MEDIUM 6.1 | 1 008 |
| CVE-2018-1302 MEDIUM 5.9 | 1 008 |
| CVE-2019-0196 MEDIUM 5.3 | 1 008 |
| CVE-2021-26691 CRITICAL 9.8 | 1 007 |
| CVE-2025-58098 HIGH 8.3 | 1 007 |
| CVE-2021-44224 HIGH 8.2 | 1 007 |
| CVE-2024-38473 HIGH 8.1 | 1 007 |
| CVE-2006-20001 HIGH 7.5 | 1 007 |
| CVE-2019-10081 HIGH 7.5 | 1 007 |
| CVE-2021-33193 HIGH 7.5 | 1 007 |
| CVE-2020-1934 MEDIUM 5.3 | 1 007 |
| CVE-2019-9517 HIGH 7.5 | 1 006 |
| CVE-2021-34798 HIGH 7.5 | 1 006 |
| CVE-2023-38709 HIGH 7.3 | 1 006 |
| CVE-2024-24795 MEDIUM 6.3 | 1 006 |
| CVE-2020-1927 MEDIUM 6.1 | 1 006 |
| CVE-2018-1301 MEDIUM 5.9 | 1 006 |
| CVE-2021-40438 CRITICAL 9.0 known exploited | 1 005 |
| CVE-2021-39275 CRITICAL 9.8 | 1 005 |
| CVE-2019-10082 CRITICAL 9.1 | 1 005 |
| CVE-2024-27316 HIGH 7.5 | 1 005 |
| CVE-2020-35452 HIGH 7.3 | 1 004 |
| CVE-2018-1283 MEDIUM 5.3 | 1 004 |
| CVE-2019-17567 MEDIUM 5.3 | 1 003 |
| CVE-2026-28780 CRITICAL 9.8 | 1 002 |
| CVE-2020-11993 HIGH 7.5 | 1 002 |
| CVE-2024-38472 HIGH 7.5 | 1 002 |
| CVE-2017-15715 HIGH 8.1 | 1 001 |
| CVE-2019-10092 MEDIUM 6.1 | 1 001 |
| CVE-2018-11763 MEDIUM 5.9 | 1 001 |
| CVE-2018-17189 MEDIUM 5.3 | 1 000 |
| CVE-2018-1312 CRITICAL 9.8 | 999 |
| CVE-2017-9798 HIGH 7.5 | 996 |
| CVE-2017-15710 HIGH 7.5 | 995 |
| CVE-2026-56154 CRITICAL 9.8 | 984 |
| CVE-2026-57941 CRITICAL 9.8 | 984 |
| CVE-2026-59797 CRITICAL 9.8 | 984 |
| CVE-2026-93546 HIGH 8.8 | 984 |
| CVE-2026-73636 HIGH 8.1 | 984 |
| CVE-2026-34356 HIGH 7.5 | 984 |
| CVE-2026-48005 HIGH 7.5 | 984 |
| CVE-2026-56153 HIGH 7.5 | 984 |
| CVE-2026-56449 HIGH 7.5 | 984 |
| CVE-2026-59685 HIGH 7.5 | 984 |
| CVE-2026-63045 HIGH 7.5 | 984 |
| CVE-2026-63292 HIGH 7.5 | 984 |
| CVE-2026-63686 HIGH 7.5 | 984 |
| CVE-2026-73637 HIGH 7.3 | 984 |
| CVE-2026-29170 MEDIUM 6.1 | 984 |
| CVE-2026-58415 MEDIUM 5.3 | 984 |
| CVE-2026-79768 MEDIUM 5.3 | 984 |
| CVE-2026-44631 CRITICAL 9.8 | 982 |
| CVE-2026-44119 MEDIUM 5.5 | 981 |
| CVE-2026-44186 HIGH 7.3 | 980 |
Hosts: matches on services open at each host's latest check.