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Vulnerability details: VCID-p2a1-afnh-7qca
Vulnerability ID VCID-p2a1-afnh-7qca
Aliases CVE-2022-31813
Summary Apache HTTP Server 2.4.53 and earlier may not send the X-Forwarded-* headers to the origin server based on client side Connection header hop-by-hop mechanism. This may be used to bypass IP based authentication on the origin server/application.
Status Published
Exploitability 0.5
Weighted Severity 6.6
Risk 3.3
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-348 Use of Less Trusted Source
CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
System Score Found at
cvssv3 7.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-31813.json
epss 0.00038 https://api.first.org/data/v1/epss?cve=CVE-2022-31813
epss 0.00038 https://api.first.org/data/v1/epss?cve=CVE-2022-31813
epss 0.00038 https://api.first.org/data/v1/epss?cve=CVE-2022-31813
epss 0.00038 https://api.first.org/data/v1/epss?cve=CVE-2022-31813
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2022-31813
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2022-31813
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2022-31813
epss 0.00043 https://api.first.org/data/v1/epss?cve=CVE-2022-31813
cvssv3.1 5.9 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
apache_httpd low https://httpd.apache.org/security/json/CVE-2022-31813.json
archlinux Medium https://security.archlinux.org/AVG-2763
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-31813.json
https://api.first.org/data/v1/epss?cve=CVE-2022-31813
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31813
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1012513 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1012513
2095020 https://bugzilla.redhat.com/show_bug.cgi?id=2095020
AVG-2763 https://security.archlinux.org/AVG-2763
CVE-2022-31813 https://httpd.apache.org/security/json/CVE-2022-31813.json
GLSA-202208-20 https://security.gentoo.org/glsa/202208-20
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:L/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-31813.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:N/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
Exploit Prediction Scoring System (EPSS)
Percentile 0.11369
EPSS Score 0.00038
Published At April 7, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:36:23.454700+00:00 Apache HTTPD Importer Import https://httpd.apache.org/security/json/CVE-2022-31813.json 38.0.0