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Vulnerability details: VCID-qkt1-uvj2-7ffh
Vulnerability ID VCID-qkt1-uvj2-7ffh
Aliases CVE-2022-26377
Summary Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This issue affects Apache HTTP Server Apache HTTP Server 2.4 version 2.4.53 and prior versions.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
System Score Found at
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-26377.json
epss 0.17449 https://api.first.org/data/v1/epss?cve=CVE-2022-26377
epss 0.17449 https://api.first.org/data/v1/epss?cve=CVE-2022-26377
epss 0.17449 https://api.first.org/data/v1/epss?cve=CVE-2022-26377
epss 0.33681 https://api.first.org/data/v1/epss?cve=CVE-2022-26377
epss 0.33681 https://api.first.org/data/v1/epss?cve=CVE-2022-26377
epss 0.33681 https://api.first.org/data/v1/epss?cve=CVE-2022-26377
epss 0.33681 https://api.first.org/data/v1/epss?cve=CVE-2022-26377
epss 0.3424 https://api.first.org/data/v1/epss?cve=CVE-2022-26377
epss 0.3424 https://api.first.org/data/v1/epss?cve=CVE-2022-26377
epss 0.3424 https://api.first.org/data/v1/epss?cve=CVE-2022-26377
epss 0.3424 https://api.first.org/data/v1/epss?cve=CVE-2022-26377
epss 0.3424 https://api.first.org/data/v1/epss?cve=CVE-2022-26377
epss 0.3424 https://api.first.org/data/v1/epss?cve=CVE-2022-26377
cvssv3.1 7.4 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
apache_httpd moderate https://httpd.apache.org/security/json/CVE-2022-26377.json
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2022-26377
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2022-26377
archlinux Medium https://security.archlinux.org/AVG-2763
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-26377.json
https://api.first.org/data/v1/epss?cve=CVE-2022-26377
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26377
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://httpd.apache.org/security/vulnerabilities_24.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7QUGG2QZWHTITMABFLVXA4DNYUOTPWYQ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPY2BLEVJWFH34AX77ZJPLD2OOBYR6ND/
https://security.netapp.com/advisory/ntap-20220624-0005/
http://www.openwall.com/lists/oss-security/2022/06/08/2
1012513 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1012513
2094997 https://bugzilla.redhat.com/show_bug.cgi?id=2094997
AVG-2763 https://security.archlinux.org/AVG-2763
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:clustered_data_ontap:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
CVE-2022-26377 https://httpd.apache.org/security/json/CVE-2022-26377.json
CVE-2022-26377 https://nvd.nist.gov/vuln/detail/CVE-2022-26377
RHSA-2022:6753 https://access.redhat.com/errata/RHSA-2022:6753
RHSA-2022:7647 https://access.redhat.com/errata/RHSA-2022:7647
RHSA-2022:8067 https://access.redhat.com/errata/RHSA-2022:8067
RHSA-2022:8840 https://access.redhat.com/errata/RHSA-2022:8840
RHSA-2022:8841 https://access.redhat.com/errata/RHSA-2022:8841
USN-5487-1 https://usn.ubuntu.com/5487-1/
USN-5487-3 https://usn.ubuntu.com/5487-3/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-26377.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

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2022-26377
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2022-26377
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

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.9484
EPSS Score 0.17449
Published At Aug. 1, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:29:09.289270+00:00 Apache HTTPD Importer Import https://httpd.apache.org/security/json/CVE-2022-26377.json 37.0.0