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CVE-2024-38475

97
FAUCET Score

CVE-2024-38475 is a critical vulnerability in Apache HTTP Server 2.4.59 and earlier, specifically within the mod_rewrite module, allowing improper escaping of output. This flaw permits attackers to map URLs to unintended filesystem locations, potentially leading to remote code execution or source code disclosure. With a CVSS score of 9.1 (CRITICAL), it presents a severe risk due to its network-based attack vector, low attack complexity, and no user interaction required, resulting in high confidentiality and integrity impacts. The vulnerability is actively exploited in the wild, as confirmed by its inclusion in CISA's KEV catalog and recent reports of its use against SonicWall products, garnering significant community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.4.0, < 2.4.60CPE matchmatch criteria
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:netapp:ontap_9:-:*:*:*:*:*:*:*
< 10.2.1.14-75svCPE matchmatch criteria
cpe:2.3:o:sonicwall:sma_200_firmware:*:*:*:*:*:*:*:*
< 10.2.1.14-75svCPE matchmatch criteria
cpe:2.3:o:sonicwall:sma_210_firmware:*:*:*:*:*:*:*:*
< 10.2.1.14-75svCPE matchmatch criteria
cpe:2.3:o:sonicwall:sma_400_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
99.96%
Probability of exploitation in next 30 days
EPSS Percentile
100.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · May 1, 2025
Nuclei: CVE-2024-38475 · May 2, 2025
This CVE's current EPSS score of 0.9996 is in the 100th percentile among its peer group of 36,835 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 (29)

apachepatch availablevia llm_extracted
Fixed in: 2.4
github_advisorypatch availablevia nvd_reference
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_7.4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7 Extended Lifecycle SupportFixed in: httpd-0:2.4.6-99.el7_9.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: httpd:2.4-8100020240712114234.489197e6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Advanced Update SupportFixed in: httpd:2.4-8020020240720043142.4cda2c84
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportFixed in: httpd:2.4-8040020240720035525.522a0ee4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceFixed in: httpd:2.4-8040020240720035525.522a0ee4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsFixed in: httpd:2.4-8040020240720035525.522a0ee4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportFixed in: httpd:2.4-8060020240719220036.ad008a3a
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceFixed in: httpd:2.4-8060020240719220036.ad008a3a
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsFixed in: httpd:2.4-8060020240719220036.ad008a3a
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.8 Extended Update SupportFixed in: httpd:2.4-8080020240717184413.63b34585
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: httpd-0:2.4.57-11.el9_4
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_0.7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Extended Update SupportFixed in: httpd-0:2.4.53-11.el9_2.8
View patch
redhatpatch availablevia redhat_api
Product: Text-Only JBCSFixed in: jbcs-httpd24-httpd
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-httpd-0:2.4.57-13.el8jbcs
View patch

Vendor Advisories (4)

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-2024-38475Important

httpd: Improper escaping of output in mod_rewrite

Jul 1, 2024
apachellm-apache-684e4d0003611bd4LOW

Apache HTTP Server 2.4 vulnerabilities - The Apache HTTP Server Project

References

cisa.gov / known-exploited-vulnerabilities-catalog
Third Party AdvisoryUS Government Resource
github.com / apache/httpd/commit/9a6157d1e2f7ab15963020381054b48782bc18cf
Patch
psirt.global.sonicwall.com / vuln-detail/SNWLID-2024-0018
Third Party Advisory
blackhat.com / us-24/briefings/schedule/index.html
Third Party Advisory
openwall.com / lists/oss-security/2024/07/01/8
Third Party Advisory
httpd.apache.org / security/vulnerabilities_24.html
Vendor Advisory
security.netapp.com / advisory/ntap-20240712-0001
Third Party Advisory