In Apache HTTP Server 2.4 releases 2.4.17 to 2.4.38, with MPM event, worker or prefork, code executing in less-privileged child processes or threads (including scripts executed by an in-process scripting interpreter) could execute arbitrary code with the privileges of the parent process (usually root) by manipulating the scoreboard. Non-Unix systems are not affected.
Conclusion & alert: CVE-2019-0211 is rated Critical Active Threat (90.4/100): CVSS High severity, with high exploitation likelihood (EPSS 89.57%, 100th percentile). Core evidence: CISA KEV confirms active exploitation (added 2021-11-03) affecting Apache / HTTP Server. a weakness (CWE-416) Unauthenticated remote administrative access may be possible. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
: Apache HTTP Server Privilege Escalation Vulnerability · CISA KEV detail
: 2021-11-03
: 2022-05-03
: Apply updates per vendor instructions.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 46676 | exploit_db | edb | 2019-04-08 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-11 | 90.18% | 89.57% | -0.61% |
| 2 | 2026-05-05 | 90.91% | 90.18% | -0.73% |
| 3 | 2026-04-07 | — | 90.91% | — |
Full EPSS history (91 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2019-0211: 1 source package rows (apache2); 10 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 10, open 0. | https://security.alpinelinux.org/vuln/CVE-2019-0211 |
debian
|
not yet assigned | CVE-2019-0211 not yet assigned priority: Debian including 1 source packages (apache2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2019-0211 |
gentoo
|
normal | CVE-2019-0211: 1 GLSA(s) (201904-20), 1 atom(s) (www-servers/apache); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2019-0211 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2019-0211 |
suse
|
medium | CVE-2019-0211 severity moderate: SUSE including 47 source package names (apache2, apache2-2.4.23-29.40.1, …), 158 product×package rows across 33 product lines (SLES for SAP Applications 11 SP3, SUSE Enterprise Storage 4, … (33 product lines)): Fixed 126, Known Not Affected 32. | https://www.suse.com/security/cve/CVE-2019-0211/ |
ubuntu
|
high | CVE-2019-0211 high priority: Ubuntu including 1 source packages (apache2), 5 status rows across 5 suites (bionic, cosmic, trusty, upstream, xenial): released 3, needs-triage 1, not-affected 1. | https://ubuntu.com/security/CVE-2019-0211 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apache | http_server | >= 2.4.17, <= 2.4.38 | cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* |
| fedoraproject | fedora | 28 | cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:* |
| fedoraproject | fedora | 29 | cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* |
| fedoraproject | fedora | 30 | cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* |
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* |
| canonical | ubuntu_linux | 18.04 | cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:esm:*:*:* |
| canonical | ubuntu_linux | 18.10 | cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| opensuse | leap | 15.0 | cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* |
| opensuse | leap | 42.3 | cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:* |
| netapp | oncommand_unified_manager | — | cpe:2.3:a:netapp:oncommand_unified_manager:-:*:*:*:*:7-mode:*:* |
| redhat | jboss_core_services | 1.0 | cpe:2.3:a:redhat:jboss_core_services:1.0:*:*:*:*:*:*:* |
| redhat | openshift_container_platform | 3.11 | cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:* |
| redhat | openshift_container_platform_for_power | 3.11_ppc64le | cpe:2.3:a:redhat:openshift_container_platform_for_power:3.11_ppc64le:*:*:*:*:*:*:* |
| redhat | software_collections | 1.0 | cpe:2.3:a:redhat:software_collections:1.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 8.0 | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 8.1 | cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 8.2 | cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 8.4 | cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 8.6 | cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 8.8 | cpe:2.3:o:redhat:enterprise_linux_eus:8.8:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_arm_64 | 8.0_aarch64 | cpe:2.3:o:redhat:enterprise_linux_for_arm_64:8.0_aarch64:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_arm_64_eus | 8.1_aarch64 | cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:8.1_aarch64:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_arm_64_eus | 8.2_aarch64 | cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:8.2_aarch64:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_arm_64_eus | 8.4_aarch64 | cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:8.4_aarch64:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_arm_64_eus | 8.6_aarch64 | cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:8.6_aarch64:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_arm_64_eus | 8.8_aarch64 | cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:8.8_aarch64:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_ibm_z_systems | 8.0_s390x | cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0_s390x:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_ibm_z_systems_eus | 8.1_s390x | cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.1_s390x:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_ibm_z_systems_eus | 8.2_s390x | cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.2_s390x:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_ibm_z_systems_eus | 8.4_s390x | cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.4_s390x:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_ibm_z_systems_eus | 8.6_s390x | cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.6_s390x:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_ibm_z_systems_eus | 8.8_s390x | cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.8_s390x:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_little_endian | 8.0_ppc64le | cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0_ppc64le:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_little_endian_eus | 8.1_ppc64le | cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.1_ppc64le:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_little_endian_eus | 8.2_ppc64le | cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.2_ppc64le:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_little_endian_eus | 8.4_ppc64le | cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.4_ppc64le:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_little_endian_eus | 8.6_ppc64le | cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6_ppc64le:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_little_endian_eus | 8.8_ppc64le | cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.8_ppc64le:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 8.2 | cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 8.4 | cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 8.6 | cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 8.2 | cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 8.4 | cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 8.6 | cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 8.8 | cpe:2.3:o:redhat:enterprise_linux_server_tus:8.8:*:*:*:*:*:*:* |
| redhat | enterprise_linux_update_services_for_sap_solutions | 8.0 | cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_update_services_for_sap_solutions | 8.1 | cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:* |
| redhat | enterprise_linux_update_services_for_sap_solutions | 8.4 | cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_update_services_for_sap_solutions | 8.6 | cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_update_services_for_sap_solutions | 8.8 | cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.8:*:*:*:*:*:*:* |
| oracle | communications_session_report_manager | 8.0.0 | cpe:2.3:a:oracle:communications_session_report_manager:8.0.0:*:*:*:*:*:*:* |
| oracle | communications_session_report_manager | 8.1.0 | cpe:2.3:a:oracle:communications_session_report_manager:8.1.0:*:*:*:*:*:*:* |
| oracle | communications_session_report_manager | 8.1.1 | cpe:2.3:a:oracle:communications_session_report_manager:8.1.1:*:*:*:*:*:*:* |
| oracle | communications_session_report_manager | 8.2.0 | cpe:2.3:a:oracle:communications_session_report_manager:8.2.0:*:*:*:*:*:*:* |
| oracle | communications_session_route_manager | 8.0.0 | cpe:2.3:a:oracle:communications_session_route_manager:8.0.0:*:*:*:*:*:*:* |
| oracle | communications_session_route_manager | 8.1.0 | cpe:2.3:a:oracle:communications_session_route_manager:8.1.0:*:*:*:*:*:*:* |
| oracle | communications_session_route_manager | 8.1.1 | cpe:2.3:a:oracle:communications_session_route_manager:8.1.1:*:*:*:*:*:*:* |
| oracle | communications_session_route_manager | 8.2.0 | cpe:2.3:a:oracle:communications_session_route_manager:8.2.0:*:*:*:*:*:*:* |
| oracle | enterprise_manager_ops_center | 12.3.3 | cpe:2.3:a:oracle:enterprise_manager_ops_center:12.3.3:*:*:*:*:*:*:* |
| oracle | enterprise_manager_ops_center | 12.4.0 | cpe:2.3:a:oracle:enterprise_manager_ops_center:12.4.0:*:*:*:*:*:*:* |
| oracle | http_server | 12.2.1.3.0 | cpe:2.3:a:oracle:http_server:12.2.1.3.0:*:*:*:*:*:*:* |
| oracle | instantis_enterprisetrack | 17.1 | cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:* |
| oracle | instantis_enterprisetrack | 17.2 | cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:* |
| oracle | instantis_enterprisetrack | 17.3 | cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:* |
| oracle | retail_xstore_point_of_service | 7.0 | cpe:2.3:a:oracle:retail_xstore_point_of_service:7.0:*:*:*:*:*:*:* |
| oracle | retail_xstore_point_of_service | 7.1 | cpe:2.3:a:oracle:retail_xstore_point_of_service:7.1:*:*:*:*:*:*:* |