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CVE-2021-42013

CVSS 9.8 In CISA KEV Apache

Every applicability statement published about this vulnerability, kept as each source wrote it rather than merged into one verdict. Where sources disagree, both positions are shown.

Does it affect your version?

A statement that names no version covers the whole product, which is not the same as your version falling inside a range. Orderings marked best effort come from schemes with no published comparison algorithm; exact ones follow a published specification.

What each source says

Red Hat CSAF/VEX
precedence 100 · revised 2026-08-04
59 not affected
OSV.dev (incl. GHSA)
precedence 80 · revised 2026-09-08
3 affected 2 fixed
CVE List v5 (CNA container)
precedence 60 · revised 2025-10-21
2 affected

Precedence decides which claim wins when two sources describe the same product over the same version range. It is a property of the source, not of the claim, and changing it re-ranks the data without re-reading a single document.

Statements (66)

Product Status Versions Remediation Source
red_hat_enterprise_linux_8:httpd::httpd:2.4 httpd (httpd:2.4) as a component of Red Hat Enterprise Linux 8 not affected vulnerable code not present httpd::httpd:2.4 not applicable csaf_redhat
red_hat_enterprise_linux_6:httpd httpd as a component of Red Hat Enterprise Linux 6 not affected vulnerable code not present no version stated vendor label: httpd not applicable csaf_redhat
red_hat_enterprise_linux_7:httpd httpd as a component of Red Hat Enterprise Linux 7 not affected vulnerable code not present no version stated vendor label: httpd not applicable csaf_redhat
red_hat_enterprise_linux_9:httpd httpd as a component of Red Hat Enterprise Linux 9 not affected vulnerable code not present no version stated vendor label: httpd not applicable csaf_redhat
red_hat_jboss_enterprise_application_platform_6:httpd httpd as a component of Red Hat JBoss Enterprise Application Platform 6 not affected vulnerable code not present no version stated vendor label: httpd not applicable csaf_redhat
red_hat_enterprise_linux_9:httpd-core httpd-core as a component of Red Hat Enterprise Linux 9 not affected vulnerable code not present no version stated vendor label: httpd-core not applicable csaf_redhat
red_hat_enterprise_linux_8:httpd-devel::httpd:2.4 httpd-devel (httpd:2.4) as a component of Red Hat Enterprise Linux 8 not affected vulnerable code not present httpd-devel::httpd:2.4 not applicable csaf_redhat
red_hat_enterprise_linux_6:httpd-devel httpd-devel as a component of Red Hat Enterprise Linux 6 not affected vulnerable code not present no version stated vendor label: httpd-devel not applicable csaf_redhat
red_hat_enterprise_linux_7:httpd-devel httpd-devel as a component of Red Hat Enterprise Linux 7 not affected vulnerable code not present no version stated vendor label: httpd-devel not applicable csaf_redhat
red_hat_enterprise_linux_9:httpd-devel httpd-devel as a component of Red Hat Enterprise Linux 9 not affected vulnerable code not present no version stated vendor label: httpd-devel not applicable csaf_redhat
red_hat_jboss_enterprise_application_platform_6:httpd-devel httpd-devel as a component of Red Hat JBoss Enterprise Application Platform 6 not affected vulnerable code not present no version stated vendor label: httpd-devel not applicable csaf_redhat
red_hat_enterprise_linux_8:httpd-filesystem::httpd:2.4 httpd-filesystem (httpd:2.4) as a component of Red Hat Enterprise Linux 8 not affected vulnerable code not present httpd-filesystem::httpd:2.4 not applicable csaf_redhat
red_hat_enterprise_linux_9:httpd-filesystem httpd-filesystem as a component of Red Hat Enterprise Linux 9 not affected vulnerable code not present no version stated vendor label: httpd-filesystem not applicable csaf_redhat
red_hat_enterprise_linux_8:httpd-manual::httpd:2.4 httpd-manual (httpd:2.4) as a component of Red Hat Enterprise Linux 8 not affected vulnerable code not present httpd-manual::httpd:2.4 not applicable csaf_redhat
red_hat_enterprise_linux_6:httpd-manual httpd-manual as a component of Red Hat Enterprise Linux 6 not affected vulnerable code not present no version stated vendor label: httpd-manual not applicable csaf_redhat
red_hat_enterprise_linux_7:httpd-manual httpd-manual as a component of Red Hat Enterprise Linux 7 not affected vulnerable code not present no version stated vendor label: httpd-manual not applicable csaf_redhat
red_hat_enterprise_linux_9:httpd-manual httpd-manual as a component of Red Hat Enterprise Linux 9 not affected vulnerable code not present no version stated vendor label: httpd-manual not applicable csaf_redhat
red_hat_jboss_enterprise_application_platform_6:httpd-manual httpd-manual as a component of Red Hat JBoss Enterprise Application Platform 6 not affected vulnerable code not present no version stated vendor label: httpd-manual not applicable csaf_redhat
red_hat_enterprise_linux_8:httpd-tools::httpd:2.4 httpd-tools (httpd:2.4) as a component of Red Hat Enterprise Linux 8 not affected vulnerable code not present httpd-tools::httpd:2.4 not applicable csaf_redhat
red_hat_enterprise_linux_6:httpd-tools httpd-tools as a component of Red Hat Enterprise Linux 6 not affected vulnerable code not present no version stated vendor label: httpd-tools not applicable csaf_redhat
red_hat_enterprise_linux_7:httpd-tools httpd-tools as a component of Red Hat Enterprise Linux 7 not affected vulnerable code not present no version stated vendor label: httpd-tools not applicable csaf_redhat
red_hat_enterprise_linux_9:httpd-tools httpd-tools as a component of Red Hat Enterprise Linux 9 not affected vulnerable code not present no version stated vendor label: httpd-tools not applicable csaf_redhat
red_hat_jboss_enterprise_application_platform_6:httpd-tools httpd-tools as a component of Red Hat JBoss Enterprise Application Platform 6 not affected vulnerable code not present no version stated vendor label: httpd-tools not applicable csaf_redhat
red_hat_enterprise_linux_8:httpd.src::httpd:2.4 httpd.src (httpd:2.4) as a component of Red Hat Enterprise Linux 8 not affected vulnerable code not present httpd.src::httpd:2.4 not applicable csaf_redhat
red_hat_enterprise_linux_6:httpd.src httpd.src as a component of Red Hat Enterprise Linux 6 not affected vulnerable code not present no version stated vendor label: httpd.src not applicable csaf_redhat
red_hat_enterprise_linux_7:httpd.src httpd.src as a component of Red Hat Enterprise Linux 7 not affected vulnerable code not present no version stated vendor label: httpd.src not applicable csaf_redhat
red_hat_enterprise_linux_9:httpd.src httpd.src as a component of Red Hat Enterprise Linux 9 not affected vulnerable code not present no version stated vendor label: httpd.src not applicable csaf_redhat
red_hat_jboss_enterprise_application_platform_6:httpd.src httpd.src as a component of Red Hat JBoss Enterprise Application Platform 6 not affected vulnerable code not present no version stated vendor label: httpd.src not applicable csaf_redhat
red_hat_software_collections:httpd24-httpd httpd24-httpd as a component of Red Hat Software Collections not affected vulnerable code not present no version stated vendor label: httpd24-httpd not applicable csaf_redhat
red_hat_software_collections:httpd24-httpd-devel httpd24-httpd-devel as a component of Red Hat Software Collections not affected vulnerable code not present no version stated vendor label: httpd24-httpd-devel not applicable csaf_redhat
red_hat_software_collections:httpd24-httpd-manual httpd24-httpd-manual as a component of Red Hat Software Collections not affected vulnerable code not present no version stated vendor label: httpd24-httpd-manual not applicable csaf_redhat
red_hat_software_collections:httpd24-httpd-tools httpd24-httpd-tools as a component of Red Hat Software Collections not affected vulnerable code not present no version stated vendor label: httpd24-httpd-tools not applicable csaf_redhat
red_hat_software_collections:httpd24-httpd.src httpd24-httpd.src as a component of Red Hat Software Collections not affected vulnerable code not present no version stated vendor label: httpd24-httpd.src not applicable csaf_redhat
red_hat_software_collections:httpd24-mod_ldap httpd24-mod_ldap as a component of Red Hat Software Collections not affected vulnerable code not present no version stated vendor label: httpd24-mod_ldap not applicable csaf_redhat
red_hat_software_collections:httpd24-mod_md httpd24-mod_md as a component of Red Hat Software Collections not affected vulnerable code not present no version stated vendor label: httpd24-mod_md not applicable csaf_redhat
red_hat_software_collections:httpd24-mod_proxy_html httpd24-mod_proxy_html as a component of Red Hat Software Collections not affected vulnerable code not present no version stated vendor label: httpd24-mod_proxy_html not applicable csaf_redhat
red_hat_software_collections:httpd24-mod_session httpd24-mod_session as a component of Red Hat Software Collections not affected vulnerable code not present no version stated vendor label: httpd24-mod_session not applicable csaf_redhat
red_hat_software_collections:httpd24-mod_ssl httpd24-mod_ssl as a component of Red Hat Software Collections not affected vulnerable code not present no version stated vendor label: httpd24-mod_ssl not applicable csaf_redhat
red_hat_jboss_core_services:jbcs-httpd24-httpd jbcs-httpd24-httpd as a component of Red Hat JBoss Core Services not affected vulnerable code not present jbcs-httpd24-httpd not applicable csaf_redhat
red_hat_enterprise_linux_8:mod_http2::httpd:2.4 mod_http2 (httpd:2.4) as a component of Red Hat Enterprise Linux 8 not affected vulnerable code not present mod_http2::httpd:2.4 not applicable csaf_redhat
red_hat_enterprise_linux_8:mod_http2.src::httpd:2.4 mod_http2.src (httpd:2.4) as a component of Red Hat Enterprise Linux 8 not affected vulnerable code not present mod_http2.src::httpd:2.4 not applicable csaf_redhat
red_hat_enterprise_linux_8:mod_ldap::httpd:2.4 mod_ldap (httpd:2.4) as a component of Red Hat Enterprise Linux 8 not affected vulnerable code not present mod_ldap::httpd:2.4 not applicable csaf_redhat
red_hat_enterprise_linux_7:mod_ldap mod_ldap as a component of Red Hat Enterprise Linux 7 not affected vulnerable code not present no version stated vendor label: mod_ldap not applicable csaf_redhat
red_hat_enterprise_linux_9:mod_ldap mod_ldap as a component of Red Hat Enterprise Linux 9 not affected vulnerable code not present no version stated vendor label: mod_ldap not applicable csaf_redhat
red_hat_jboss_enterprise_application_platform_6:mod_ldap mod_ldap as a component of Red Hat JBoss Enterprise Application Platform 6 not affected vulnerable code not present no version stated vendor label: mod_ldap not applicable csaf_redhat
red_hat_enterprise_linux_9:mod_lua mod_lua as a component of Red Hat Enterprise Linux 9 not affected vulnerable code not present no version stated vendor label: mod_lua not applicable csaf_redhat
red_hat_enterprise_linux_8:mod_md::httpd:2.4 mod_md (httpd:2.4) as a component of Red Hat Enterprise Linux 8 not affected vulnerable code not present mod_md::httpd:2.4 not applicable csaf_redhat
red_hat_enterprise_linux_8:mod_md.src::httpd:2.4 mod_md.src (httpd:2.4) as a component of Red Hat Enterprise Linux 8 not affected vulnerable code not present mod_md.src::httpd:2.4 not applicable csaf_redhat
red_hat_enterprise_linux_8:mod_proxy_html::httpd:2.4 mod_proxy_html (httpd:2.4) as a component of Red Hat Enterprise Linux 8 not affected vulnerable code not present mod_proxy_html::httpd:2.4 not applicable csaf_redhat
red_hat_enterprise_linux_7:mod_proxy_html mod_proxy_html as a component of Red Hat Enterprise Linux 7 not affected vulnerable code not present no version stated vendor label: mod_proxy_html not applicable csaf_redhat
red_hat_enterprise_linux_9:mod_proxy_html mod_proxy_html as a component of Red Hat Enterprise Linux 9 not affected vulnerable code not present no version stated vendor label: mod_proxy_html not applicable csaf_redhat
red_hat_enterprise_linux_8:mod_session::httpd:2.4 mod_session (httpd:2.4) as a component of Red Hat Enterprise Linux 8 not affected vulnerable code not present mod_session::httpd:2.4 not applicable csaf_redhat
red_hat_enterprise_linux_7:mod_session mod_session as a component of Red Hat Enterprise Linux 7 not affected vulnerable code not present no version stated vendor label: mod_session not applicable csaf_redhat
red_hat_enterprise_linux_9:mod_session mod_session as a component of Red Hat Enterprise Linux 9 not affected vulnerable code not present no version stated vendor label: mod_session not applicable csaf_redhat
red_hat_enterprise_linux_8:mod_ssl::httpd:2.4 mod_ssl (httpd:2.4) as a component of Red Hat Enterprise Linux 8 not affected vulnerable code not present mod_ssl::httpd:2.4 not applicable csaf_redhat
red_hat_enterprise_linux_6:mod_ssl mod_ssl as a component of Red Hat Enterprise Linux 6 not affected vulnerable code not present no version stated vendor label: mod_ssl not applicable csaf_redhat
red_hat_enterprise_linux_7:mod_ssl mod_ssl as a component of Red Hat Enterprise Linux 7 not affected vulnerable code not present no version stated vendor label: mod_ssl not applicable csaf_redhat
red_hat_enterprise_linux_9:mod_ssl mod_ssl as a component of Red Hat Enterprise Linux 9 not affected vulnerable code not present no version stated vendor label: mod_ssl not applicable csaf_redhat
red_hat_jboss_enterprise_application_platform_6:mod_ssl mod_ssl as a component of Red Hat JBoss Enterprise Application Platform 6 not affected vulnerable code not present no version stated vendor label: mod_ssl not applicable csaf_redhat
apache affected >= 2.4.49, < 2.4.50 vendor fix → 2.4.50 osv BIT-apache-2021-42013
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A claim with no version range is shown as written rather than expanded: a government catalog naming only a vendor and product is a real statement at zero granularity, and inventing bounds for it would put precision in the record that the source never offered.