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Vulnerability details: VCID-fzjy-1ctr-6qfd
Vulnerability ID VCID-fzjy-1ctr-6qfd
Aliases CVE-2023-38709
Summary Faulty input validation in the core of Apache allows malicious or exploitable backend/content generators to split HTTP responses. This issue affects Apache HTTP Server: through 2.4.58.
Status Published
Exploitability 0.5
Weighted Severity 6.6
Risk 3.3
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-20 Improper Input Validation
CWE-113 Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
System Score Found at
cvssv3 6.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-38709.json
epss 0.03602 https://api.first.org/data/v1/epss?cve=CVE-2023-38709
epss 0.03602 https://api.first.org/data/v1/epss?cve=CVE-2023-38709
epss 0.03602 https://api.first.org/data/v1/epss?cve=CVE-2023-38709
epss 0.03602 https://api.first.org/data/v1/epss?cve=CVE-2023-38709
epss 0.03602 https://api.first.org/data/v1/epss?cve=CVE-2023-38709
epss 0.03602 https://api.first.org/data/v1/epss?cve=CVE-2023-38709
epss 0.03602 https://api.first.org/data/v1/epss?cve=CVE-2023-38709
epss 0.03698 https://api.first.org/data/v1/epss?cve=CVE-2023-38709
epss 0.03698 https://api.first.org/data/v1/epss?cve=CVE-2023-38709
epss 0.03698 https://api.first.org/data/v1/epss?cve=CVE-2023-38709
epss 0.03698 https://api.first.org/data/v1/epss?cve=CVE-2023-38709
epss 0.03698 https://api.first.org/data/v1/epss?cve=CVE-2023-38709
epss 0.03698 https://api.first.org/data/v1/epss?cve=CVE-2023-38709
epss 0.03837 https://api.first.org/data/v1/epss?cve=CVE-2023-38709
epss 0.03837 https://api.first.org/data/v1/epss?cve=CVE-2023-38709
epss 0.03837 https://api.first.org/data/v1/epss?cve=CVE-2023-38709
cvssv3.1 7.3 http://seclists.org/fulldisclosure/2024/Jul/18
ssvc Track http://seclists.org/fulldisclosure/2024/Jul/18
cvssv3.1 6.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 7.3 https://httpd.apache.org/security/vulnerabilities_24.html
ssvc Track https://httpd.apache.org/security/vulnerabilities_24.html
cvssv3.1 7.3 https://lists.debian.org/debian-lts-announce/2024/05/msg00013.html
ssvc Track https://lists.debian.org/debian-lts-announce/2024/05/msg00013.html
cvssv3.1 7.3 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I2N2NZEX3MR64IWSGL3QGN7KSRUGAEMF/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I2N2NZEX3MR64IWSGL3QGN7KSRUGAEMF/
cvssv3.1 7.3 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LX5U34KYGDYPRH3AJ6MDDCBJDWDPXNVJ/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LX5U34KYGDYPRH3AJ6MDDCBJDWDPXNVJ/
cvssv3.1 7.3 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WNV4SZAPVS43DZWNFU7XBYYOZEZMI4ZC/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WNV4SZAPVS43DZWNFU7XBYYOZEZMI4ZC/
cvssv3.1 7.3 https://security.netapp.com/advisory/ntap-20240415-0013/
ssvc Track https://security.netapp.com/advisory/ntap-20240415-0013/
cvssv3.1 7.3 https://support.apple.com/kb/HT214119
ssvc Track https://support.apple.com/kb/HT214119
cvssv3.1 7.3 http://www.openwall.com/lists/oss-security/2024/04/04/3
ssvc Track http://www.openwall.com/lists/oss-security/2024/04/04/3
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-38709.json
https://api.first.org/data/v1/epss?cve=CVE-2023-38709
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-31122
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-38709
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-43622
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-45802
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-24795
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-27316
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://httpd.apache.org/security/vulnerabilities_24.html
1068412 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1068412
18 http://seclists.org/fulldisclosure/2024/Jul/18
2273491 https://bugzilla.redhat.com/show_bug.cgi?id=2273491
3 http://www.openwall.com/lists/oss-security/2024/04/04/3
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap:9:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:ontap:9:*:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap_tools:10:*:*:*:*:vmware_vsphere:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:ontap_tools:10:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:broadcom:fabric_operating_system:-:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
CVE-2023-38709 https://httpd.apache.org/security/json/CVE-2023-38709.json
CVE-2023-38709 https://nvd.nist.gov/vuln/detail/CVE-2023-38709
HT214119 https://support.apple.com/kb/HT214119
I2N2NZEX3MR64IWSGL3QGN7KSRUGAEMF https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I2N2NZEX3MR64IWSGL3QGN7KSRUGAEMF/
LX5U34KYGDYPRH3AJ6MDDCBJDWDPXNVJ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LX5U34KYGDYPRH3AJ6MDDCBJDWDPXNVJ/
msg00013.html https://lists.debian.org/debian-lts-announce/2024/05/msg00013.html
ntap-20240415-0013 https://security.netapp.com/advisory/ntap-20240415-0013/
RHSA-2024:4197 https://access.redhat.com/errata/RHSA-2024:4197
RHSA-2024:6927 https://access.redhat.com/errata/RHSA-2024:6927
RHSA-2024:6928 https://access.redhat.com/errata/RHSA-2024:6928
RHSA-2024:9306 https://access.redhat.com/errata/RHSA-2024:9306
USN-6729-1 https://usn.ubuntu.com/6729-1/
USN-6729-2 https://usn.ubuntu.com/6729-2/
USN-6729-3 https://usn.ubuntu.com/6729-3/
WNV4SZAPVS43DZWNFU7XBYYOZEZMI4ZC https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WNV4SZAPVS43DZWNFU7XBYYOZEZMI4ZC/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-38709.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

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none

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required

unchanged

changed

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none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Found at http://seclists.org/fulldisclosure/2024/Jul/18
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-05T13:57:02Z/ Found at http://seclists.org/fulldisclosure/2024/Jul/18
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://httpd.apache.org/security/vulnerabilities_24.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-05T13:57:02Z/ Found at https://httpd.apache.org/security/vulnerabilities_24.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://lists.debian.org/debian-lts-announce/2024/05/msg00013.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

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physical

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-05T13:57:02Z/ Found at https://lists.debian.org/debian-lts-announce/2024/05/msg00013.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I2N2NZEX3MR64IWSGL3QGN7KSRUGAEMF/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-05T13:57:02Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I2N2NZEX3MR64IWSGL3QGN7KSRUGAEMF/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LX5U34KYGDYPRH3AJ6MDDCBJDWDPXNVJ/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

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required

unchanged

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-05T13:57:02Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LX5U34KYGDYPRH3AJ6MDDCBJDWDPXNVJ/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WNV4SZAPVS43DZWNFU7XBYYOZEZMI4ZC/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

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required

unchanged

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-05T13:57:02Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WNV4SZAPVS43DZWNFU7XBYYOZEZMI4ZC/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://security.netapp.com/advisory/ntap-20240415-0013/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-05T13:57:02Z/ Found at https://security.netapp.com/advisory/ntap-20240415-0013/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://support.apple.com/kb/HT214119
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

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none

required

unchanged

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high

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none

high

low

none

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none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-05T13:57:02Z/ Found at https://support.apple.com/kb/HT214119
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Found at http://www.openwall.com/lists/oss-security/2024/04/04/3
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

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none

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none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-05T13:57:02Z/ Found at http://www.openwall.com/lists/oss-security/2024/04/04/3
Exploit Prediction Scoring System (EPSS)
Percentile 0.87341
EPSS Score 0.03602
Published At Aug. 9, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:29:09.703197+00:00 Apache HTTPD Importer Import https://httpd.apache.org/security/json/CVE-2023-38709.json 37.0.0