Apache HTTP Server known exploited vulnerabilities
We track 4 CVEs in Apache HTTP Server. All of them are on CISA's Known Exploited Vulnerabilities catalog, meaning CISA has evidence of exploitation in the wild (listed 2021–2025). CISA flags 2 of them as used in ransomware campaigns. The most recent is CVE-2024-38475, added to KEV on .
- CVEs tracked
- 4
- On CISA KEV
- 4
- Ransomware use
- 2
- Rated critical
- 3
Every Apache HTTP Server CVE we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV | Patch by |
|---|---|---|---|---|---|
| CVE-2024-38475 Apache HTTP Server Improper Escaping of Output Vulnerability | [ CRITICAL ] | 9.1 | 100.0% | ||
| CVE-2021-42013 Apache HTTP Server Path Traversal Vulnerabilityransomware use | [ CRITICAL ] | 9.8 | 100.0% | ||
| CVE-2021-41773 Apache HTTP Server Path Traversal Vulnerabilityransomware use | [ CRITICAL ] | 9.8 | 100.0% | ||
| CVE-2019-0211 Apache HTTP Server Privilege Escalation Vulnerability | [ HIGH ] | 7.8 | 65.0% |
Sorted by date added to KEV. Severity and CVSS as stated by NVD or the vendor; EPSS from FIRST.org. "Patch by" is CISA's BOD 22-01 deadline for US federal agencies, a useful priority signal for everyone else. Machine-readable: /api/v1/vendors/apache.json.
Other Apache products
Every row links to its CVE record with the CISA required action, catalog coverage and primary sources. We describe impact and remediation only; no exploit code. See the full KEV tracker or compare KEV catalogs.