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CVE-2024-38476

54
FAUCET Score

CVE-2024-38476 is a critical information disclosure, SSRF, or local script execution vulnerability affecting Apache HTTP Server versions 2.4.59 and earlier, including related NetApp products. With a CVSS score of 9.8, this vulnerability allows attackers to exploit malicious or exploitable backend application response headers, leading to severe impacts including full compromise of confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code, the vulnerability has garnered significant community discussion, indicating potential for future exploitation. Users are strongly advised to upgrade to Apache HTTP Server 2.4.60 immediately.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.4.0, < 2.4.60CPE matchmatch criteria
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:netapp:clustered_data_ontap:9.0:*:*:*:*:*:*:*
>= 2.4.0, <= 2.4.59CPE match
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
41.61%
Probability of exploitation in next 30 days
EPSS Percentile
98.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.4161 is in the 96th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (32)

apachepatch availablevia llm_extracted
Fixed in: 2.4
redhatpatch availablevia redhat_api
Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-httpd-0:2.4.57-13.el8jbcs
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-mod_http2-0:1.15.19-41.el8jbcs
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-mod_jk-0:1.2.49-11.redhat_1.el8jbcs
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-mod_md-1:2.4.24-11.el8jbcs
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-mod_proxy_cluster-0:1.3.20-8.el8jbcs
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-mod_security-0:2.9.3-40.el8jbcs
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-httpd-0:2.4.57-13.el7jbcs
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-mod_http2-0:1.15.19-41.el7jbcs
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-mod_jk-0:1.2.49-11.redhat_1.el7jbcs
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-mod_md-1:2.4.24-11.el7jbcs
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-mod_proxy_cluster-0:1.3.20-8.el7jbcs
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-mod_security-0:2.9.3-40.el7jbcs
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.7 Advanced Update SupportFixed in: httpd-0:2.4.6-90.el7_7.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7 Extended Lifecycle SupportFixed in: httpd-0:2.4.6-99.el7_9.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: httpd:2.4-8100020240807144746.489197e6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Advanced Update SupportFixed in: httpd:2.4-8020020240821201937.4cda2c84
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportFixed in: httpd:2.4-8040020240821201239.522a0ee4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceFixed in: httpd:2.4-8040020240821201239.522a0ee4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsFixed in: httpd:2.4-8040020240821201239.522a0ee4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportFixed in: httpd:2.4-8060020240820194205.ad008a3a
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceFixed in: httpd:2.4-8060020240820194205.ad008a3a
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsFixed in: httpd:2.4-8060020240820194205.ad008a3a
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.8 Extended Update SupportFixed in: httpd:2.4-8080020240820193327.63b34585
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: httpd-0:2.4.57-11.el9_4.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsFixed in: httpd-0:2.4.51-7.el9_0.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Extended Update SupportFixed in: httpd-0:2.4.53-11.el9_2.11
View patch
redhatpatch availablevia redhat_api
Product: Text-Only JBCSFixed in: jbcs-httpd24-httpd
View patch
ubuntupatch availablevia ubuntu_usn
Product: apache2 (bionic)Fixed in: 2.4.29-1ubuntu4.27+esm7
ubuntupatch availablevia ubuntu_usn
Product: apache2 (focal)Fixed in: 2.4.41-4ubuntu3.23+esm3
ubuntupatch availablevia ubuntu_usn
Product: apache2 (trusty)Fixed in: 2.4.7-1ubuntu4.22+esm12
ubuntupatch availablevia ubuntu_usn
Product: apache2 (xenial)Fixed in: 2.4.18-2ubuntu3.17+esm17

Vendor Advisories (5)

ubuntuUSN-8338-1

Apache HTTP Server vulnerabilities

May 28, 2026
apachellm-apache-f398f8ed28802aa3LOW

Apache HTTP Server 2.4 vulnerabilities - The Apache HTTP Server Project

Mar 2, 2026
apachellm-apache-a7a91ec4c0e9421dHIGH

Apache HTTP Server 2.4 vulnerabilities - The Apache HTTP Server Project

Dec 10, 2025
redhatCVE-2024-38476Important

httpd: Security issues via backend applications whose response headers are malicious or exploitable

Jul 1, 2024
apachellm-apache-684e4d0003611bd4LOW

Apache HTTP Server 2.4 vulnerabilities - The Apache HTTP Server Project

References

seclists.org / fulldisclosure/2024/Oct/11
openwall.com / lists/oss-security/2024/07/01/9
Mailing ListThird Party Advisory
httpd.apache.org / security/vulnerabilities_24.html
Vendor Advisory
security.netapp.com / advisory/ntap-20240712-0001
Third Party Advisory