Apache HTTP Server 1.3.3
http_serverevery versioncounted 2026-10-09 08:20 UTC
As of 2026-10-09, 2 hosts ran Apache HTTP Server 1.3.3 with at least one known CVE on a service open at their latest check; 68 distinct CVEs match this version.
Known CVEs on hosts running it
2hosts with known CVEs
68distinct 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.
Most common CVEs
| CVE | Hosts |
|---|---|
| CVE-2021-40438 CRITICAL 9.0 known exploited | 2 |
| CVE-2009-3555 CRITICAL 9.8 | 2 |
| CVE-2021-39275 CRITICAL 9.8 | 2 |
| CVE-2021-44790 CRITICAL 9.8 | 2 |
| CVE-2022-22720 CRITICAL 9.8 | 2 |
| CVE-2022-31813 CRITICAL 9.8 | 2 |
| CVE-2026-28780 CRITICAL 9.8 | 2 |
| CVE-2017-9788 CRITICAL 9.1 | 2 |
| CVE-2022-22721 CRITICAL 9.1 | 2 |
| CVE-2022-28615 CRITICAL 9.1 | 2 |
| CVE-2026-42535 CRITICAL 9.1 | 2 |
| CVE-2026-24072 HIGH 8.8 | 2 |
| CVE-2026-93546 HIGH 8.8 | 2 |
| CVE-2025-58098 HIGH 8.3 | 2 |
| CVE-2004-0940 HIGH 7.8 | 2 |
| CVE-2001-1449 HIGH 7.5 | 2 |
| CVE-2002-0061 HIGH 7.5 | 2 |
| CVE-2002-0392 HIGH 7.5 | 2 |
| CVE-2002-0843 HIGH 7.5 | 2 |
| CVE-2003-0987 HIGH 7.5 | 2 |
| CVE-2003-0993 HIGH 7.5 | 2 |
| CVE-2004-0174 HIGH 7.5 | 2 |
| CVE-2004-1082 HIGH 7.5 | 2 |
| CVE-2006-20001 HIGH 7.5 | 2 |
| CVE-2017-9798 HIGH 7.5 | 2 |
| CVE-2018-1303 HIGH 7.5 | 2 |
| CVE-2021-34798 HIGH 7.5 | 2 |
| CVE-2022-22719 HIGH 7.5 | 2 |
| CVE-2022-29404 HIGH 7.5 | 2 |
| CVE-2022-30556 HIGH 7.5 | 2 |
| CVE-2023-31122 HIGH 7.5 | 2 |
| CVE-2026-29169 HIGH 7.5 | 2 |
| CVE-2026-34059 HIGH 7.5 | 2 |
| CVE-2025-49812 HIGH 7.4 | 2 |
| CVE-2023-38709 HIGH 7.3 | 2 |
| CVE-2002-0839 HIGH 7.2 | 2 |
| CVE-2003-0542 HIGH 7.2 | 2 |
| CVE-2004-2343 HIGH 7.2 | 2 |
| CVE-2002-0840 MEDIUM 6.8 | 2 |
| CVE-2010-0010 MEDIUM 6.8 | 2 |
| CVE-2026-29170 MEDIUM 6.1 | 2 |
| CVE-2018-1301 MEDIUM 5.9 | 2 |
| CVE-2018-1302 MEDIUM 5.9 | 2 |
| CVE-2022-28614 MEDIUM 5.3 | 2 |
| CVE-2022-37436 MEDIUM 5.3 | 2 |
| CVE-2026-33857 MEDIUM 5.3 | 2 |
| CVE-2026-34032 MEDIUM 5.3 | 2 |
| CVE-2001-1556 MEDIUM 5.0 | 2 |
| CVE-2003-0020 MEDIUM 5.0 | 2 |
| CVE-2003-0083 MEDIUM 5.0 | 2 |
| CVE-2003-0460 MEDIUM 5.0 | 2 |
| CVE-2004-0263 MEDIUM 5.0 | 2 |
| CVE-2004-0942 MEDIUM 5.0 | 2 |
| CVE-2007-6750 MEDIUM 5.0 | 2 |
| CVE-2011-3368 MEDIUM 5.0 | 2 |
| CVE-2015-0228 MEDIUM 5.0 | 2 |
| CVE-2026-33006 MEDIUM 4.8 | 2 |
| CVE-2007-3304 MEDIUM 4.7 | 2 |
| CVE-2002-1658 MEDIUM 4.6 | 2 |
| CVE-2000-1205 MEDIUM 4.3 | 2 |
| CVE-2005-3352 MEDIUM 4.3 | 2 |
| CVE-2006-3918 MEDIUM 4.3 | 2 |
| CVE-2006-5752 MEDIUM 4.3 | 2 |
| CVE-2007-5000 MEDIUM 4.3 | 2 |
| CVE-2007-6388 MEDIUM 4.3 | 2 |
| CVE-2008-2939 MEDIUM 4.3 | 2 |
| CVE-2011-4317 MEDIUM 4.3 | 2 |
| CVE-2016-8612 MEDIUM 4.3 | 2 |
Hosts: matches on services open at each host's latest check.