CVE-2022-22720

46

FAUCET Score

CVE-2022-22720 describes a critical HTTP Request Smuggling vulnerability in Apache HTTP Server versions 2.4.52 and earlier, also affecting products from Apple, Debian, Fedora, and Oracle. With a CVSS score of 9.8 (CRITICAL), this vulnerability allows an unauthenticated attacker to achieve high impact on confidentiality, integrity, and availability with low attack complexity. While no public exploit code (Metasploit, Nuclei, ExploitDB) or active exploitation (KEV, Hot List) has been confirmed, the vulnerability has garnered some community discussion and media coverage, indicating awareness.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		<= 2.4.52CPE matchmatch criteria	cpe:2.3:a:apache:http_server::::::::
		34CPE matchmatch criteria	cpe:2.3:o:fedoraproject:fedora:34:::::::*
		35CPE matchmatch criteria	cpe:2.3:o:fedoraproject:fedora:35:::::::*
		36CPE matchmatch criteria	cpe:2.3:o:fedoraproject:fedora:36:::::::*
		9.0CPE matchmatch criteria	cpe:2.3:o:debian:debian_linux:9.0:::::::*

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

28.19%

Probability of exploitation in next 30 days

EPSS Percentile

97.9%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.2819 is in the 95th 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 (47)

apachepatch availablevia llm_extracted

Fixed in: 2.4

githubpatch availablevia llm_extracted

microsoftpatch availablevia msrc

Product: 18767-16823Fixed in: 2.4.53-1

microsoftpatch availablevia msrc

Product: 18766-16820Fixed in: 2.4.53-1

microsoftpatch availablevia msrc

Product: cm1 httpd 2.4.53-1 on CBL Mariner 1.0Fixed in: 2.4.53-1

microsoftpatch availablevia msrc

Product: cbl2 httpd 2.4.53-1 on CBL Mariner 2.0Fixed in: 2.4.53-1

oraclepatch availablevia nvd_reference

redhatpatch availablevia redhat_api

Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-mod_md-1:2.0.8-41.el8jbcs

redhatpatch availablevia redhat_api

Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-mod_security-0:2.9.2-68.GA.el8jbcs

redhatpatch availablevia redhat_api

Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-nghttp2-0:1.39.2-41.el8jbcs

redhatpatch availablevia redhat_api

Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-openssl-1:1.1.1g-11.el8jbcs

redhatpatch availablevia redhat_api

Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-openssl-chil-0:1.0.0-11.el8jbcs

redhatpatch availablevia redhat_api

Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-openssl-pkcs11-0:0.4.10-26.el8jbcs

redhatpatch availablevia redhat_api

Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-apr-util-0:1.6.1-91.jbcs.el7

redhatpatch availablevia redhat_api

Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-curl-0:7.78.0-3.jbcs.el7

redhatpatch availablevia redhat_api

Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-httpd-0:2.4.37-80.jbcs.el7

redhatpatch availablevia redhat_api

Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-mod_cluster-native-0:1.3.16-10.Final_redhat_2.jbcs.el7

redhatpatch availablevia redhat_api

Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-mod_http2-0:1.15.7-22.jbcs.el7

redhatpatch availablevia redhat_api

Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-mod_jk-0:1.2.48-29.redhat_1.jbcs.el7

redhatpatch availablevia redhat_api

Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-mod_md-1:2.0.8-41.jbcs.el7

redhatpatch availablevia redhat_api

Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-mod_security-0:2.9.2-68.GA.jbcs.el7

redhatpatch availablevia redhat_api

Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-nghttp2-0:1.39.2-41.jbcs.el7

redhatpatch availablevia redhat_api

Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-openssl-1:1.1.1g-11.jbcs.el7

redhatpatch availablevia redhat_api

Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-openssl-chil-0:1.0.0-11.jbcs.el7

redhatpatch availablevia redhat_api

Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-openssl-pkcs11-0:0.4.10-26.jbcs.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 6 Extended Lifecycle SupportFixed in: httpd-0:2.2.15-70.el6_10

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: httpd-0:2.4.6-97.el7_9.5

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.3 Advanced Update SupportFixed in: httpd-0:2.4.6-45.el7_3.8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.4 Advanced Update SupportFixed in: httpd-0:2.4.6-67.el7_4.9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.6 Advanced Update Support(Disable again in 2026 - SPRHEL-7118)Fixed in: httpd-0:2.4.6-89.el7_6.4

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.6 Telco Extended Update SupportFixed in: httpd-0:2.4.6-89.el7_6.4

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.6 Update Services for SAP SolutionsFixed in: httpd-0:2.4.6-89.el7_6.4

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.7 Advanced Update SupportFixed in: httpd-0:2.4.6-90.el7_7.3

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.7 Telco Extended Update SupportFixed in: httpd-0:2.4.6-90.el7_7.3

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.7 Update Services for SAP SolutionsFixed in: httpd-0:2.4.6-90.el7_7.3

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: httpd:2.4-8050020220321170448.c5368500

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.1 Update Services for SAP SolutionsFixed in: httpd:2.4-8010020220321173048.c27ad7f8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.2 Extended Update SupportFixed in: httpd:2.4-8020020220321171949.4cda2c84

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: httpd24-httpd-0:2.4.34-23.el7.2

redhatpatch availablevia redhat_api

Product: Text-Only JBCSFixed in: jbcs-httpd24-httpd

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.4 Extended Update SupportFixed in: httpd:2.4-8040020220321171351.522a0ee4

redhatpatch availablevia redhat_api

Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-apr-util-0:1.6.1-91.el8jbcs

redhatpatch availablevia redhat_api

Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-curl-0:7.78.0-3.el8jbcs

redhatpatch availablevia redhat_api

Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-httpd-0:2.4.37-80.el8jbcs

redhatpatch availablevia redhat_api

Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-mod_cluster-native-0:1.3.16-10.Final_redhat_2.el8jbcs

redhatpatch availablevia redhat_api

Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-mod_http2-0:1.15.7-22.el8jbcs

redhatpatch availablevia redhat_api

Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-mod_jk-0:1.2.48-29.redhat_1.el8jbcs

Vendor Advisories (6)

apachellm-apache-f398f8ed28802aa3LOW

Apache HTTP Server 2.4 vulnerabilities - The Apache HTTP Server Project

apachellm-apache-a7a91ec4c0e9421dHIGH

Apache HTTP Server 2.4 vulnerabilities - The Apache HTTP Server Project

githubllm-github-c31230cb8f8d149cHIGH

AS-2022-005: Apache HTTP Server

redhatCVE-2022-22720Important

httpd: Errors encountered during the discarding of request body lead to HTTP request smuggling

microsoft2022-Mar/CVE-2022-22720Critical

HTTP request smuggling vulnerability in Apache HTTP Server 2.4.52 and earlier

apachellm-apache-684e4d0003611bd4LOW

Apache HTTP Server 2.4 vulnerabilities - The Apache HTTP Server Project

References

seclists.org / fulldisclosure/2022/May/33

Mailing ListThird Party Advisory

seclists.org / fulldisclosure/2022/May/35

Mailing ListThird Party Advisory

seclists.org / fulldisclosure/2022/May/38

Mailing ListThird Party Advisory

httpd.apache.org / security/vulnerabilities_24.html

Vendor Advisory

lists.debian.org / debian-lts-announce/2022/03/msg00033.html

Mailing ListThird Party Advisory

lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/RGWILBORT67SHMSLYSQZG2NMXGCMPUZO

lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/X73C35MMMZGBVPQQCH7LQZUMYZNQA5FO

lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/Z7H26WJ6TPKNWV3QKY4BHKUKQVUTZJTD

security.gentoo.org / glsa/202208-20

Third Party Advisory

security.netapp.com / advisory/ntap-20220321-0001

Third Party Advisory

support.apple.com / kb/HT213255

Third Party Advisory

support.apple.com / kb/HT213256

Third Party Advisory

support.apple.com / kb/HT213257

Third Party Advisory

oracle.com / security-alerts/cpuapr2022.html

PatchThird Party Advisory

oracle.com / security-alerts/cpujul2022.html

Third Party Advisory

openwall.com / lists/oss-security/2022/03/14/3

Mailing ListThird Party Advisory